// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
pub fn parse_http_generic_error(
    response: &http::Response<bytes::Bytes>,
) -> Result<smithy_types::Error, smithy_json::deserialize::Error> {
    crate::json_errors::parse_generic_error(response.body(), response.headers())
}

pub fn deser_structure_crate_error_resource_not_found_faultjson_err(
    input: &[u8],
    mut builder: crate::error::resource_not_found_fault::Builder,
) -> Result<crate::error::resource_not_found_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_apply_pending_maintenance_action(
    input: &[u8],
    mut builder: crate::output::apply_pending_maintenance_action_output::Builder,
) -> Result<
    crate::output::apply_pending_maintenance_action_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ResourcePendingMaintenanceActions" => {
                        builder = builder.set_resource_pending_maintenance_actions(
                            crate::json_deser::deser_structure_crate_model_resource_pending_maintenance_actions(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_access_denied_faultjson_err(
    input: &[u8],
    mut builder: crate::error::access_denied_fault::Builder,
) -> Result<crate::error::access_denied_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_invalid_resource_state_faultjson_err(
    input: &[u8],
    mut builder: crate::error::invalid_resource_state_fault::Builder,
) -> Result<crate::error::invalid_resource_state_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_cancel_replication_task_assessment_run(
    input: &[u8],
    mut builder: crate::output::cancel_replication_task_assessment_run_output::Builder,
) -> Result<
    crate::output::cancel_replication_task_assessment_run_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTaskAssessmentRun" => {
                        builder = builder.set_replication_task_assessment_run(
                            crate::json_deser::deser_structure_crate_model_replication_task_assessment_run(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_kms_key_not_accessible_faultjson_err(
    input: &[u8],
    mut builder: crate::error::kms_key_not_accessible_fault::Builder,
) -> Result<crate::error::kms_key_not_accessible_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_resource_already_exists_faultjson_err(
    input: &[u8],
    mut builder: crate::error::resource_already_exists_fault::Builder,
) -> Result<crate::error::resource_already_exists_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "resourceArn" => {
                        builder = builder.set_resource_arn(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_resource_quota_exceeded_faultjson_err(
    input: &[u8],
    mut builder: crate::error::resource_quota_exceeded_fault::Builder,
) -> Result<crate::error::resource_quota_exceeded_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_s3_access_denied_faultjson_err(
    input: &[u8],
    mut builder: crate::error::s3_access_denied_fault::Builder,
) -> Result<crate::error::s3_access_denied_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_create_endpoint(
    input: &[u8],
    mut builder: crate::output::create_endpoint_output::Builder,
) -> Result<crate::output::create_endpoint_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Endpoint" => {
                        builder = builder.set_endpoint(
                            crate::json_deser::deser_structure_crate_model_endpoint(tokens)?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_kms_access_denied_faultjson_err(
    input: &[u8],
    mut builder: crate::error::kms_access_denied_fault::Builder,
) -> Result<crate::error::kms_access_denied_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_kms_disabled_faultjson_err(
    input: &[u8],
    mut builder: crate::error::kms_disabled_fault::Builder,
) -> Result<crate::error::kms_disabled_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_kms_invalid_state_faultjson_err(
    input: &[u8],
    mut builder: crate::error::kms_invalid_state_fault::Builder,
) -> Result<crate::error::kms_invalid_state_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_kms_not_found_faultjson_err(
    input: &[u8],
    mut builder: crate::error::kms_not_found_fault::Builder,
) -> Result<crate::error::kms_not_found_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_kms_throttling_faultjson_err(
    input: &[u8],
    mut builder: crate::error::kms_throttling_fault::Builder,
) -> Result<crate::error::kms_throttling_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_sns_invalid_topic_faultjson_err(
    input: &[u8],
    mut builder: crate::error::sns_invalid_topic_fault::Builder,
) -> Result<crate::error::sns_invalid_topic_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_sns_no_authorization_faultjson_err(
    input: &[u8],
    mut builder: crate::error::sns_no_authorization_fault::Builder,
) -> Result<crate::error::sns_no_authorization_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_create_event_subscription(
    input: &[u8],
    mut builder: crate::output::create_event_subscription_output::Builder,
) -> Result<crate::output::create_event_subscription_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "EventSubscription" => {
                        builder = builder.set_event_subscription(
                            crate::json_deser::deser_structure_crate_model_event_subscription(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_insufficient_resource_capacity_faultjson_err(
    input: &[u8],
    mut builder: crate::error::insufficient_resource_capacity_fault::Builder,
) -> Result<
    crate::error::insufficient_resource_capacity_fault::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_invalid_subnetjson_err(
    input: &[u8],
    mut builder: crate::error::invalid_subnet::Builder,
) -> Result<crate::error::invalid_subnet::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_replication_subnet_group_does_not_cover_enough_a_zsjson_err(
    input: &[u8],
    mut builder: crate::error::replication_subnet_group_does_not_cover_enough_a_zs::Builder,
) -> Result<
    crate::error::replication_subnet_group_does_not_cover_enough_a_zs::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_storage_quota_exceeded_faultjson_err(
    input: &[u8],
    mut builder: crate::error::storage_quota_exceeded_fault::Builder,
) -> Result<crate::error::storage_quota_exceeded_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_create_replication_instance(
    input: &[u8],
    mut builder: crate::output::create_replication_instance_output::Builder,
) -> Result<
    crate::output::create_replication_instance_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationInstance" => {
                        builder = builder.set_replication_instance(
                            crate::json_deser::deser_structure_crate_model_replication_instance(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_create_replication_subnet_group(
    input: &[u8],
    mut builder: crate::output::create_replication_subnet_group_output::Builder,
) -> Result<
    crate::output::create_replication_subnet_group_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationSubnetGroup" => {
                        builder = builder.set_replication_subnet_group(
                            crate::json_deser::deser_structure_crate_model_replication_subnet_group(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_create_replication_task(
    input: &[u8],
    mut builder: crate::output::create_replication_task_output::Builder,
) -> Result<crate::output::create_replication_task_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTask" => {
                        builder = builder.set_replication_task(
                            crate::json_deser::deser_structure_crate_model_replication_task(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_delete_certificate(
    input: &[u8],
    mut builder: crate::output::delete_certificate_output::Builder,
) -> Result<crate::output::delete_certificate_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Certificate" => {
                        builder = builder.set_certificate(
                            crate::json_deser::deser_structure_crate_model_certificate(tokens)?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_delete_connection(
    input: &[u8],
    mut builder: crate::output::delete_connection_output::Builder,
) -> Result<crate::output::delete_connection_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Connection" => {
                        builder = builder.set_connection(
                            crate::json_deser::deser_structure_crate_model_connection(tokens)?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_delete_endpoint(
    input: &[u8],
    mut builder: crate::output::delete_endpoint_output::Builder,
) -> Result<crate::output::delete_endpoint_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Endpoint" => {
                        builder = builder.set_endpoint(
                            crate::json_deser::deser_structure_crate_model_endpoint(tokens)?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_delete_event_subscription(
    input: &[u8],
    mut builder: crate::output::delete_event_subscription_output::Builder,
) -> Result<crate::output::delete_event_subscription_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "EventSubscription" => {
                        builder = builder.set_event_subscription(
                            crate::json_deser::deser_structure_crate_model_event_subscription(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_delete_replication_instance(
    input: &[u8],
    mut builder: crate::output::delete_replication_instance_output::Builder,
) -> Result<
    crate::output::delete_replication_instance_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationInstance" => {
                        builder = builder.set_replication_instance(
                            crate::json_deser::deser_structure_crate_model_replication_instance(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_delete_replication_task(
    input: &[u8],
    mut builder: crate::output::delete_replication_task_output::Builder,
) -> Result<crate::output::delete_replication_task_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTask" => {
                        builder = builder.set_replication_task(
                            crate::json_deser::deser_structure_crate_model_replication_task(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_delete_replication_task_assessment_run(
    input: &[u8],
    mut builder: crate::output::delete_replication_task_assessment_run_output::Builder,
) -> Result<
    crate::output::delete_replication_task_assessment_run_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTaskAssessmentRun" => {
                        builder = builder.set_replication_task_assessment_run(
                            crate::json_deser::deser_structure_crate_model_replication_task_assessment_run(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_account_attributes(
    input: &[u8],
    mut builder: crate::output::describe_account_attributes_output::Builder,
) -> Result<
    crate::output::describe_account_attributes_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "AccountQuotas" => {
                        builder = builder.set_account_quotas(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_account_quota_list(tokens)?
                        );
                    }
                    "UniqueAccountIdentifier" => {
                        builder = builder.set_unique_account_identifier(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_applicable_individual_assessments(
    input: &[u8],
    mut builder: crate::output::describe_applicable_individual_assessments_output::Builder,
) -> Result<
    crate::output::describe_applicable_individual_assessments_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "IndividualAssessmentNames" => {
                        builder = builder.set_individual_assessment_names(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_individual_assessment_name_list(tokens)?
                        );
                    }
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_certificates(
    input: &[u8],
    mut builder: crate::output::describe_certificates_output::Builder,
) -> Result<crate::output::describe_certificates_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "Certificates" => {
                        builder = builder.set_certificates(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_certificate_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_connections(
    input: &[u8],
    mut builder: crate::output::describe_connections_output::Builder,
) -> Result<crate::output::describe_connections_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "Connections" => {
                        builder = builder.set_connections(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_connection_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_endpoints(
    input: &[u8],
    mut builder: crate::output::describe_endpoints_output::Builder,
) -> Result<crate::output::describe_endpoints_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "Endpoints" => {
                        builder = builder.set_endpoints(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_endpoint_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_endpoint_settings(
    input: &[u8],
    mut builder: crate::output::describe_endpoint_settings_output::Builder,
) -> Result<
    crate::output::describe_endpoint_settings_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "EndpointSettings" => {
                        builder = builder.set_endpoint_settings(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_endpoint_settings_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_endpoint_types(
    input: &[u8],
    mut builder: crate::output::describe_endpoint_types_output::Builder,
) -> Result<crate::output::describe_endpoint_types_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "SupportedEndpointTypes" => {
                        builder = builder.set_supported_endpoint_types(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_supported_endpoint_type_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_event_categories(
    input: &[u8],
    mut builder: crate::output::describe_event_categories_output::Builder,
) -> Result<crate::output::describe_event_categories_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "EventCategoryGroupList" => {
                        builder = builder.set_event_category_group_list(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_event_category_group_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_events(
    input: &[u8],
    mut builder: crate::output::describe_events_output::Builder,
) -> Result<crate::output::describe_events_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "Events" => {
                        builder = builder.set_events(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_event_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_event_subscriptions(
    input: &[u8],
    mut builder: crate::output::describe_event_subscriptions_output::Builder,
) -> Result<
    crate::output::describe_event_subscriptions_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "EventSubscriptionsList" => {
                        builder = builder.set_event_subscriptions_list(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_event_subscriptions_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_orderable_replication_instances(
    input: &[u8],
    mut builder: crate::output::describe_orderable_replication_instances_output::Builder,
) -> Result<
    crate::output::describe_orderable_replication_instances_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "OrderableReplicationInstances" => {
                        builder = builder.set_orderable_replication_instances(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_orderable_replication_instance_list(tokens)?
                        );
                    }
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_pending_maintenance_actions(
    input: &[u8],
    mut builder: crate::output::describe_pending_maintenance_actions_output::Builder,
) -> Result<
    crate::output::describe_pending_maintenance_actions_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "PendingMaintenanceActions" => {
                        builder = builder.set_pending_maintenance_actions(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_pending_maintenance_actions(tokens)?
                        );
                    }
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_refresh_schemas_status(
    input: &[u8],
    mut builder: crate::output::describe_refresh_schemas_status_output::Builder,
) -> Result<
    crate::output::describe_refresh_schemas_status_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "RefreshSchemasStatus" => {
                        builder = builder.set_refresh_schemas_status(
                            crate::json_deser::deser_structure_crate_model_refresh_schemas_status(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_replication_instances(
    input: &[u8],
    mut builder: crate::output::describe_replication_instances_output::Builder,
) -> Result<
    crate::output::describe_replication_instances_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "ReplicationInstances" => {
                        builder = builder.set_replication_instances(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_instance_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_replication_instance_task_logs(
    input: &[u8],
    mut builder: crate::output::describe_replication_instance_task_logs_output::Builder,
) -> Result<
    crate::output::describe_replication_instance_task_logs_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationInstanceArn" => {
                        builder = builder.set_replication_instance_arn(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "ReplicationInstanceTaskLogs" => {
                        builder = builder.set_replication_instance_task_logs(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_instance_task_logs_list(tokens)?
                        );
                    }
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_replication_subnet_groups(
    input: &[u8],
    mut builder: crate::output::describe_replication_subnet_groups_output::Builder,
) -> Result<
    crate::output::describe_replication_subnet_groups_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "ReplicationSubnetGroups" => {
                        builder = builder.set_replication_subnet_groups(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_subnet_groups(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_replication_task_assessment_results(
    input: &[u8],
    mut builder: crate::output::describe_replication_task_assessment_results_output::Builder,
) -> Result<
    crate::output::describe_replication_task_assessment_results_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "BucketName" => {
                        builder = builder.set_bucket_name(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "ReplicationTaskAssessmentResults" => {
                        builder = builder.set_replication_task_assessment_results(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_task_assessment_result_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_replication_task_assessment_runs(
    input: &[u8],
    mut builder: crate::output::describe_replication_task_assessment_runs_output::Builder,
) -> Result<
    crate::output::describe_replication_task_assessment_runs_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "ReplicationTaskAssessmentRuns" => {
                        builder = builder.set_replication_task_assessment_runs(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_task_assessment_run_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_replication_task_individual_assessments(
    input: &[u8],
    mut builder: crate::output::describe_replication_task_individual_assessments_output::Builder,
) -> Result<
    crate::output::describe_replication_task_individual_assessments_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "ReplicationTaskIndividualAssessments" => {
                        builder = builder.set_replication_task_individual_assessments(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_task_individual_assessment_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_replication_tasks(
    input: &[u8],
    mut builder: crate::output::describe_replication_tasks_output::Builder,
) -> Result<
    crate::output::describe_replication_tasks_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "ReplicationTasks" => {
                        builder = builder.set_replication_tasks(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_task_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_schemas(
    input: &[u8],
    mut builder: crate::output::describe_schemas_output::Builder,
) -> Result<crate::output::describe_schemas_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "Schemas" => {
                        builder = builder.set_schemas(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_schema_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_describe_table_statistics(
    input: &[u8],
    mut builder: crate::output::describe_table_statistics_output::Builder,
) -> Result<crate::output::describe_table_statistics_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTaskArn" => {
                        builder = builder.set_replication_task_arn(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    "TableStatistics" => {
                        builder = builder.set_table_statistics(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_table_statistics_list(tokens)?
                        );
                    }
                    "Marker" => {
                        builder = builder.set_marker(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_invalid_certificate_faultjson_err(
    input: &[u8],
    mut builder: crate::error::invalid_certificate_fault::Builder,
) -> Result<crate::error::invalid_certificate_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_import_certificate(
    input: &[u8],
    mut builder: crate::output::import_certificate_output::Builder,
) -> Result<crate::output::import_certificate_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Certificate" => {
                        builder = builder.set_certificate(
                            crate::json_deser::deser_structure_crate_model_certificate(tokens)?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_list_tags_for_resource(
    input: &[u8],
    mut builder: crate::output::list_tags_for_resource_output::Builder,
) -> Result<crate::output::list_tags_for_resource_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "TagList" => {
                        builder = builder.set_tag_list(
                            crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_tag_list(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_modify_endpoint(
    input: &[u8],
    mut builder: crate::output::modify_endpoint_output::Builder,
) -> Result<crate::output::modify_endpoint_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Endpoint" => {
                        builder = builder.set_endpoint(
                            crate::json_deser::deser_structure_crate_model_endpoint(tokens)?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_modify_event_subscription(
    input: &[u8],
    mut builder: crate::output::modify_event_subscription_output::Builder,
) -> Result<crate::output::modify_event_subscription_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "EventSubscription" => {
                        builder = builder.set_event_subscription(
                            crate::json_deser::deser_structure_crate_model_event_subscription(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_upgrade_dependency_failure_faultjson_err(
    input: &[u8],
    mut builder: crate::error::upgrade_dependency_failure_fault::Builder,
) -> Result<crate::error::upgrade_dependency_failure_fault::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_modify_replication_instance(
    input: &[u8],
    mut builder: crate::output::modify_replication_instance_output::Builder,
) -> Result<
    crate::output::modify_replication_instance_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationInstance" => {
                        builder = builder.set_replication_instance(
                            crate::json_deser::deser_structure_crate_model_replication_instance(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_subnet_already_in_usejson_err(
    input: &[u8],
    mut builder: crate::error::subnet_already_in_use::Builder,
) -> Result<crate::error::subnet_already_in_use::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_modify_replication_subnet_group(
    input: &[u8],
    mut builder: crate::output::modify_replication_subnet_group_output::Builder,
) -> Result<
    crate::output::modify_replication_subnet_group_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationSubnetGroup" => {
                        builder = builder.set_replication_subnet_group(
                            crate::json_deser::deser_structure_crate_model_replication_subnet_group(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_modify_replication_task(
    input: &[u8],
    mut builder: crate::output::modify_replication_task_output::Builder,
) -> Result<crate::output::modify_replication_task_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTask" => {
                        builder = builder.set_replication_task(
                            crate::json_deser::deser_structure_crate_model_replication_task(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_move_replication_task(
    input: &[u8],
    mut builder: crate::output::move_replication_task_output::Builder,
) -> Result<crate::output::move_replication_task_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTask" => {
                        builder = builder.set_replication_task(
                            crate::json_deser::deser_structure_crate_model_replication_task(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_reboot_replication_instance(
    input: &[u8],
    mut builder: crate::output::reboot_replication_instance_output::Builder,
) -> Result<
    crate::output::reboot_replication_instance_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationInstance" => {
                        builder = builder.set_replication_instance(
                            crate::json_deser::deser_structure_crate_model_replication_instance(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_refresh_schemas(
    input: &[u8],
    mut builder: crate::output::refresh_schemas_output::Builder,
) -> Result<crate::output::refresh_schemas_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "RefreshSchemasStatus" => {
                        builder = builder.set_refresh_schemas_status(
                            crate::json_deser::deser_structure_crate_model_refresh_schemas_status(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_reload_tables(
    input: &[u8],
    mut builder: crate::output::reload_tables_output::Builder,
) -> Result<crate::output::reload_tables_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTaskArn" => {
                        builder = builder.set_replication_task_arn(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_start_replication_task(
    input: &[u8],
    mut builder: crate::output::start_replication_task_output::Builder,
) -> Result<crate::output::start_replication_task_output::Builder, smithy_json::deserialize::Error>
{
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTask" => {
                        builder = builder.set_replication_task(
                            crate::json_deser::deser_structure_crate_model_replication_task(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_start_replication_task_assessment(
    input: &[u8],
    mut builder: crate::output::start_replication_task_assessment_output::Builder,
) -> Result<
    crate::output::start_replication_task_assessment_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTask" => {
                        builder = builder.set_replication_task(
                            crate::json_deser::deser_structure_crate_model_replication_task(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_kms_faultjson_err(
    input: &[u8],
    mut builder: crate::error::kms_fault::Builder,
) -> Result<crate::error::kms_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_structure_crate_error_s3_resource_not_found_faultjson_err(
    input: &[u8],
    mut builder: crate::error::s3_resource_not_found_fault::Builder,
) -> Result<crate::error::s3_resource_not_found_fault::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "message" => {
                        builder = builder.set_message(
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_start_replication_task_assessment_run(
    input: &[u8],
    mut builder: crate::output::start_replication_task_assessment_run_output::Builder,
) -> Result<
    crate::output::start_replication_task_assessment_run_output::Builder,
    smithy_json::deserialize::Error,
> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTaskAssessmentRun" => {
                        builder = builder.set_replication_task_assessment_run(
                            crate::json_deser::deser_structure_crate_model_replication_task_assessment_run(tokens)?
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_stop_replication_task(
    input: &[u8],
    mut builder: crate::output::stop_replication_task_output::Builder,
) -> Result<crate::output::stop_replication_task_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "ReplicationTask" => {
                        builder = builder.set_replication_task(
                            crate::json_deser::deser_structure_crate_model_replication_task(
                                tokens,
                            )?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn deser_operation_crate_operation_test_connection(
    input: &[u8],
    mut builder: crate::output::test_connection_output::Builder,
) -> Result<crate::output::test_connection_output::Builder, smithy_json::deserialize::Error> {
    let mut tokens_owned =
        smithy_json::deserialize::json_token_iter(crate::json_deser::or_empty_doc(input))
            .peekable();
    let tokens = &mut tokens_owned;
    smithy_json::deserialize::token::expect_start_object(tokens.next())?;
    loop {
        match tokens.next().transpose()? {
            Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
            Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                match key.to_unescaped()?.as_ref() {
                    "Connection" => {
                        builder = builder.set_connection(
                            crate::json_deser::deser_structure_crate_model_connection(tokens)?,
                        );
                    }
                    _ => smithy_json::deserialize::token::skip_value(tokens)?,
                }
            }
            _ => {
                return Err(smithy_json::deserialize::Error::custom(
                    "expected object key or end object",
                ))
            }
        }
    }
    if tokens.next().is_some() {
        return Err(smithy_json::deserialize::Error::custom(
            "found more JSON tokens after completing parsing",
        ));
    }
    Ok(builder)
}

pub fn or_empty_doc(data: &[u8]) -> &[u8] {
    if data.is_empty() {
        b"{}"
    } else {
        data
    }
}

pub fn deser_structure_crate_model_resource_pending_maintenance_actions<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ResourcePendingMaintenanceActions>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ResourcePendingMaintenanceActions::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ResourceIdentifier" => {
                                builder = builder.set_resource_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "PendingMaintenanceActionDetails" => {
                                builder = builder.set_pending_maintenance_action_details(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_pending_maintenance_action_details(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_task_assessment_run<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ReplicationTaskAssessmentRun>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationTaskAssessmentRun::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationTaskAssessmentRunArn" => {
                                builder = builder.set_replication_task_assessment_run_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskArn" => {
                                builder = builder.set_replication_task_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskAssessmentRunCreationDate" => {
                                builder = builder
                                    .set_replication_task_assessment_run_creation_date(
                                        smithy_json::deserialize::token::expect_timestamp_or_null(
                                            tokens.next(),
                                            smithy_types::instant::Format::EpochSeconds,
                                        )?,
                                    );
                            }
                            "AssessmentProgress" => {
                                builder = builder.set_assessment_progress(
                                    crate::json_deser::deser_structure_crate_model_replication_task_assessment_run_progress(tokens)?
                                );
                            }
                            "LastFailureMessage" => {
                                builder = builder.set_last_failure_message(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ResultLocationBucket" => {
                                builder = builder.set_result_location_bucket(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ResultLocationFolder" => {
                                builder = builder.set_result_location_folder(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ResultEncryptionMode" => {
                                builder = builder.set_result_encryption_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ResultKmsKeyArn" => {
                                builder = builder.set_result_kms_key_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AssessmentRunName" => {
                                builder = builder.set_assessment_run_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_endpoint<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Endpoint>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Endpoint::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "EndpointIdentifier" => {
                                builder = builder.set_endpoint_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EndpointType" => {
                                builder = builder.set_endpoint_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ReplicationEndpointTypeValue::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "EngineName" => {
                                builder = builder.set_engine_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EngineDisplayName" => {
                                builder = builder.set_engine_display_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ExtraConnectionAttributes" => {
                                builder = builder.set_extra_connection_attributes(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "KmsKeyId" => {
                                builder = builder.set_kms_key_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EndpointArn" => {
                                builder = builder.set_endpoint_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CertificateArn" => {
                                builder = builder.set_certificate_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SslMode" => {
                                builder = builder.set_ssl_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::DmsSslModeValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ExternalTableDefinition" => {
                                builder = builder.set_external_table_definition(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ExternalId" => {
                                builder = builder.set_external_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DynamoDbSettings" => {
                                builder = builder.set_dynamo_db_settings(
                                    crate::json_deser::deser_structure_crate_model_dynamo_db_settings(tokens)?
                                );
                            }
                            "S3Settings" => {
                                builder = builder.set_s3_settings(
                                    crate::json_deser::deser_structure_crate_model_s3_settings(
                                        tokens,
                                    )?,
                                );
                            }
                            "DmsTransferSettings" => {
                                builder = builder.set_dms_transfer_settings(
                                    crate::json_deser::deser_structure_crate_model_dms_transfer_settings(tokens)?
                                );
                            }
                            "MongoDbSettings" => {
                                builder = builder.set_mongo_db_settings(
                                    crate::json_deser::deser_structure_crate_model_mongo_db_settings(tokens)?
                                );
                            }
                            "KinesisSettings" => {
                                builder = builder.set_kinesis_settings(
                                    crate::json_deser::deser_structure_crate_model_kinesis_settings(tokens)?
                                );
                            }
                            "KafkaSettings" => {
                                builder = builder.set_kafka_settings(
                                    crate::json_deser::deser_structure_crate_model_kafka_settings(
                                        tokens,
                                    )?,
                                );
                            }
                            "ElasticsearchSettings" => {
                                builder = builder.set_elasticsearch_settings(
                                    crate::json_deser::deser_structure_crate_model_elasticsearch_settings(tokens)?
                                );
                            }
                            "NeptuneSettings" => {
                                builder = builder.set_neptune_settings(
                                    crate::json_deser::deser_structure_crate_model_neptune_settings(tokens)?
                                );
                            }
                            "RedshiftSettings" => {
                                builder = builder.set_redshift_settings(
                                    crate::json_deser::deser_structure_crate_model_redshift_settings(tokens)?
                                );
                            }
                            "PostgreSQLSettings" => {
                                builder = builder.set_postgre_sql_settings(
                                    crate::json_deser::deser_structure_crate_model_postgre_sql_settings(tokens)?
                                );
                            }
                            "MySQLSettings" => {
                                builder = builder.set_my_sql_settings(
                                    crate::json_deser::deser_structure_crate_model_my_sql_settings(
                                        tokens,
                                    )?,
                                );
                            }
                            "OracleSettings" => {
                                builder = builder.set_oracle_settings(
                                    crate::json_deser::deser_structure_crate_model_oracle_settings(
                                        tokens,
                                    )?,
                                );
                            }
                            "SybaseSettings" => {
                                builder = builder.set_sybase_settings(
                                    crate::json_deser::deser_structure_crate_model_sybase_settings(
                                        tokens,
                                    )?,
                                );
                            }
                            "MicrosoftSQLServerSettings" => {
                                builder = builder.set_microsoft_sql_server_settings(
                                    crate::json_deser::deser_structure_crate_model_microsoft_sql_server_settings(tokens)?
                                );
                            }
                            "IBMDb2Settings" => {
                                builder = builder.set_ibm_db2_settings(
                                    crate::json_deser::deser_structure_crate_model_ibm_db2_settings(tokens)?
                                );
                            }
                            "DocDbSettings" => {
                                builder = builder.set_doc_db_settings(
                                    crate::json_deser::deser_structure_crate_model_doc_db_settings(
                                        tokens,
                                    )?,
                                );
                            }
                            "RedisSettings" => {
                                builder = builder.set_redis_settings(
                                    crate::json_deser::deser_structure_crate_model_redis_settings(
                                        tokens,
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_event_subscription<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::EventSubscription>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::EventSubscription::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "CustomerAwsId" => {
                                builder = builder.set_customer_aws_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CustSubscriptionId" => {
                                builder = builder.set_cust_subscription_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SnsTopicArn" => {
                                builder = builder.set_sns_topic_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SubscriptionCreationTime" => {
                                builder = builder.set_subscription_creation_time(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SourceType" => {
                                builder = builder.set_source_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SourceIdsList" => {
                                builder = builder.set_source_ids_list(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_source_ids_list(tokens)?
                                );
                            }
                            "EventCategoriesList" => {
                                builder = builder.set_event_categories_list(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_event_categories_list(tokens)?
                                );
                            }
                            "Enabled" => {
                                builder = builder.set_enabled(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_instance<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ReplicationInstance>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationInstance::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationInstanceIdentifier" => {
                                builder = builder.set_replication_instance_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceClass" => {
                                builder = builder.set_replication_instance_class(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceStatus" => {
                                builder = builder.set_replication_instance_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AllocatedStorage" => {
                                builder = builder.set_allocated_storage(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "InstanceCreateTime" => {
                                builder = builder.set_instance_create_time(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "VpcSecurityGroups" => {
                                builder = builder.set_vpc_security_groups(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_vpc_security_group_membership_list(tokens)?
                                );
                            }
                            "AvailabilityZone" => {
                                builder = builder.set_availability_zone(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationSubnetGroup" => {
                                builder = builder.set_replication_subnet_group(
                                    crate::json_deser::deser_structure_crate_model_replication_subnet_group(tokens)?
                                );
                            }
                            "PreferredMaintenanceWindow" => {
                                builder = builder.set_preferred_maintenance_window(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "PendingModifiedValues" => {
                                builder = builder.set_pending_modified_values(
                                    crate::json_deser::deser_structure_crate_model_replication_pending_modified_values(tokens)?
                                );
                            }
                            "MultiAZ" => {
                                builder = builder.set_multi_az(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "EngineVersion" => {
                                builder = builder.set_engine_version(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AutoMinorVersionUpgrade" => {
                                builder = builder.set_auto_minor_version_upgrade(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "KmsKeyId" => {
                                builder = builder.set_kms_key_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceArn" => {
                                builder = builder.set_replication_instance_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstancePublicIpAddress" => {
                                builder = builder.set_replication_instance_public_ip_address(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstancePrivateIpAddress" => {
                                builder = builder.set_replication_instance_private_ip_address(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstancePublicIpAddresses" => {
                                builder = builder.set_replication_instance_public_ip_addresses(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_instance_public_ip_address_list(tokens)?
                                );
                            }
                            "ReplicationInstancePrivateIpAddresses" => {
                                builder = builder.set_replication_instance_private_ip_addresses(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_replication_instance_private_ip_address_list(tokens)?
                                );
                            }
                            "PubliclyAccessible" => {
                                builder = builder.set_publicly_accessible(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "SecondaryAvailabilityZone" => {
                                builder = builder.set_secondary_availability_zone(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "FreeUntil" => {
                                builder = builder.set_free_until(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "DnsNameServers" => {
                                builder = builder.set_dns_name_servers(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_subnet_group<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ReplicationSubnetGroup>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationSubnetGroup::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationSubnetGroupIdentifier" => {
                                builder = builder.set_replication_subnet_group_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationSubnetGroupDescription" => {
                                builder = builder.set_replication_subnet_group_description(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "VpcId" => {
                                builder = builder.set_vpc_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SubnetGroupStatus" => {
                                builder = builder.set_subnet_group_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Subnets" => {
                                builder = builder.set_subnets(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_subnet_list(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_task<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ReplicationTask>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationTask::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationTaskIdentifier" => {
                                builder = builder.set_replication_task_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SourceEndpointArn" => {
                                builder = builder.set_source_endpoint_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TargetEndpointArn" => {
                                builder = builder.set_target_endpoint_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceArn" => {
                                builder = builder.set_replication_instance_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "MigrationType" => {
                                builder = builder.set_migration_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::MigrationTypeValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "TableMappings" => {
                                builder = builder.set_table_mappings(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskSettings" => {
                                builder = builder.set_replication_task_settings(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "LastFailureMessage" => {
                                builder = builder.set_last_failure_message(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "StopReason" => {
                                builder = builder.set_stop_reason(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskCreationDate" => {
                                builder = builder.set_replication_task_creation_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "ReplicationTaskStartDate" => {
                                builder = builder.set_replication_task_start_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "CdcStartPosition" => {
                                builder = builder.set_cdc_start_position(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CdcStopPosition" => {
                                builder = builder.set_cdc_stop_position(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "RecoveryCheckpoint" => {
                                builder = builder.set_recovery_checkpoint(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskArn" => {
                                builder = builder.set_replication_task_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskStats" => {
                                builder = builder.set_replication_task_stats(
                                    crate::json_deser::deser_structure_crate_model_replication_task_stats(tokens)?
                                );
                            }
                            "TaskData" => {
                                builder = builder.set_task_data(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TargetReplicationInstanceArn" => {
                                builder = builder.set_target_replication_instance_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_certificate<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Certificate>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Certificate::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "CertificateIdentifier" => {
                                builder = builder.set_certificate_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CertificateCreationDate" => {
                                builder = builder.set_certificate_creation_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "CertificatePem" => {
                                builder = builder.set_certificate_pem(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CertificateWallet" => {
                                builder = builder.set_certificate_wallet(
                                    smithy_json::deserialize::token::expect_blob_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CertificateArn" => {
                                builder = builder.set_certificate_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CertificateOwner" => {
                                builder = builder.set_certificate_owner(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ValidFromDate" => {
                                builder = builder.set_valid_from_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "ValidToDate" => {
                                builder = builder.set_valid_to_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "SigningAlgorithm" => {
                                builder = builder.set_signing_algorithm(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "KeyLength" => {
                                builder = builder.set_key_length(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_connection<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Connection>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Connection::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationInstanceArn" => {
                                builder = builder.set_replication_instance_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EndpointArn" => {
                                builder = builder.set_endpoint_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "LastFailureMessage" => {
                                builder = builder.set_last_failure_message(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EndpointIdentifier" => {
                                builder = builder.set_endpoint_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceIdentifier" => {
                                builder = builder.set_replication_instance_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_account_quota_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::AccountQuota>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_account_quota(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_individual_assessment_name_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_certificate_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::Certificate>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_certificate(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_connection_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::Connection>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_connection(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_endpoint_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::Endpoint>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_endpoint(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_endpoint_settings_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::EndpointSetting>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_endpoint_setting(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_supported_endpoint_type_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::SupportedEndpointType>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_supported_endpoint_type(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_event_category_group_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::EventCategoryGroup>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_event_category_group(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_event_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::Event>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = crate::json_deser::deser_structure_crate_model_event(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_event_subscriptions_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::EventSubscription>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_event_subscription(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_orderable_replication_instance_list<
    'a,
    I,
>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::OrderableReplicationInstance>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_orderable_replication_instance(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_pending_maintenance_actions<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ResourcePendingMaintenanceActions>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_resource_pending_maintenance_actions(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

pub fn deser_structure_crate_model_refresh_schemas_status<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::RefreshSchemasStatus>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::RefreshSchemasStatus::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "EndpointArn" => {
                                builder = builder.set_endpoint_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceArn" => {
                                builder = builder.set_replication_instance_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::RefreshSchemasStatusTypeValue::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "LastRefreshDate" => {
                                builder = builder.set_last_refresh_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "LastFailureMessage" => {
                                builder = builder.set_last_failure_message(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_instance_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::ReplicationInstance>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_replication_instance(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_instance_task_logs_list<
    'a,
    I,
>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ReplicationInstanceTaskLog>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_replication_instance_task_log(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_subnet_groups<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ReplicationSubnetGroup>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_replication_subnet_group(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_task_assessment_result_list<
    'a,
    I,
>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ReplicationTaskAssessmentResult>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_replication_task_assessment_result(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_task_assessment_run_list<
    'a,
    I,
>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ReplicationTaskAssessmentRun>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_replication_task_assessment_run(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_task_individual_assessment_list<
    'a,
    I,
>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::ReplicationTaskIndividualAssessment>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_replication_task_individual_assessment(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_task_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::ReplicationTask>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_replication_task(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_schema_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_table_statistics_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::TableStatistics>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_table_statistics(
                                tokens,
                            )?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_tag_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::Tag>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = crate::json_deser::deser_structure_crate_model_tag(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_pending_maintenance_action_details<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::PendingMaintenanceAction>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_pending_maintenance_action(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_task_assessment_run_progress<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ReplicationTaskAssessmentRunProgress>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationTaskAssessmentRunProgress::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "IndividualAssessmentCount" => {
                                builder = builder.set_individual_assessment_count(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "IndividualAssessmentCompletedCount" => {
                                builder = builder.set_individual_assessment_completed_count(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_dynamo_db_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::DynamoDbSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::DynamoDbSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_s3_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::S3Settings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::S3Settings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ExternalTableDefinition" => {
                                builder = builder.set_external_table_definition(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CsvRowDelimiter" => {
                                builder = builder.set_csv_row_delimiter(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CsvDelimiter" => {
                                builder = builder.set_csv_delimiter(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BucketFolder" => {
                                builder = builder.set_bucket_folder(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BucketName" => {
                                builder = builder.set_bucket_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CompressionType" => {
                                builder = builder.set_compression_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::CompressionTypeValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "EncryptionMode" => {
                                builder = builder.set_encryption_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::EncryptionModeValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ServerSideEncryptionKmsKeyId" => {
                                builder = builder.set_server_side_encryption_kms_key_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DataFormat" => {
                                builder = builder.set_data_format(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::DataFormatValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "EncodingType" => {
                                builder = builder.set_encoding_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::EncodingTypeValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "DictPageSizeLimit" => {
                                builder = builder.set_dict_page_size_limit(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "RowGroupLength" => {
                                builder = builder.set_row_group_length(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DataPageSize" => {
                                builder = builder.set_data_page_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ParquetVersion" => {
                                builder = builder.set_parquet_version(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ParquetVersionValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "EnableStatistics" => {
                                builder = builder.set_enable_statistics(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "IncludeOpForFullLoad" => {
                                builder = builder.set_include_op_for_full_load(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CdcInsertsOnly" => {
                                builder = builder.set_cdc_inserts_only(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "TimestampColumnName" => {
                                builder = builder.set_timestamp_column_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ParquetTimestampInMillisecond" => {
                                builder = builder.set_parquet_timestamp_in_millisecond(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CdcInsertsAndUpdates" => {
                                builder = builder.set_cdc_inserts_and_updates(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "DatePartitionEnabled" => {
                                builder = builder.set_date_partition_enabled(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "DatePartitionSequence" => {
                                builder = builder.set_date_partition_sequence(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::DatePartitionSequenceValue::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "DatePartitionDelimiter" => {
                                builder = builder.set_date_partition_delimiter(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::DatePartitionDelimiterValue::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "UseCsvNoSupValue" => {
                                builder = builder.set_use_csv_no_sup_value(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CsvNoSupValue" => {
                                builder = builder.set_csv_no_sup_value(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "PreserveTransactions" => {
                                builder = builder.set_preserve_transactions(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CdcPath" => {
                                builder = builder.set_cdc_path(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CannedAclForObjects" => {
                                builder = builder.set_canned_acl_for_objects(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::CannedAclForObjectsValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "AddColumnName" => {
                                builder = builder.set_add_column_name(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CdcMaxBatchInterval" => {
                                builder = builder.set_cdc_max_batch_interval(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "CdcMinFileSize" => {
                                builder = builder.set_cdc_min_file_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "CsvNullValue" => {
                                builder = builder.set_csv_null_value(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IgnoreHeaderRows" => {
                                builder = builder.set_ignore_header_rows(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "MaxFileSize" => {
                                builder = builder.set_max_file_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "Rfc4180" => {
                                builder = builder.set_rfc4180(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_dms_transfer_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::DmsTransferSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::DmsTransferSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BucketName" => {
                                builder = builder.set_bucket_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_mongo_db_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::MongoDbSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::MongoDbSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AuthType" => {
                                builder = builder.set_auth_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::AuthTypeValue::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "AuthMechanism" => {
                                builder = builder.set_auth_mechanism(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::AuthMechanismValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "NestingLevel" => {
                                builder = builder.set_nesting_level(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::NestingLevelValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ExtractDocId" => {
                                builder = builder.set_extract_doc_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DocsToInvestigate" => {
                                builder = builder.set_docs_to_investigate(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AuthSource" => {
                                builder = builder.set_auth_source(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "KmsKeyId" => {
                                builder = builder.set_kms_key_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_kinesis_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::KinesisSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::KinesisSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "StreamArn" => {
                                builder = builder.set_stream_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "MessageFormat" => {
                                builder = builder.set_message_format(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::MessageFormatValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IncludeTransactionDetails" => {
                                builder = builder.set_include_transaction_details(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "IncludePartitionValue" => {
                                builder = builder.set_include_partition_value(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "PartitionIncludeSchemaTable" => {
                                builder = builder.set_partition_include_schema_table(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "IncludeTableAlterOperations" => {
                                builder = builder.set_include_table_alter_operations(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "IncludeControlDetails" => {
                                builder = builder.set_include_control_details(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "IncludeNullAndEmpty" => {
                                builder = builder.set_include_null_and_empty(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "NoHexPrefix" => {
                                builder = builder.set_no_hex_prefix(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_kafka_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::KafkaSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::KafkaSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Broker" => {
                                builder = builder.set_broker(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Topic" => {
                                builder = builder.set_topic(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "MessageFormat" => {
                                builder = builder.set_message_format(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::MessageFormatValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "IncludeTransactionDetails" => {
                                builder = builder.set_include_transaction_details(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "IncludePartitionValue" => {
                                builder = builder.set_include_partition_value(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "PartitionIncludeSchemaTable" => {
                                builder = builder.set_partition_include_schema_table(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "IncludeTableAlterOperations" => {
                                builder = builder.set_include_table_alter_operations(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "IncludeControlDetails" => {
                                builder = builder.set_include_control_details(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "MessageMaxBytes" => {
                                builder = builder.set_message_max_bytes(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "IncludeNullAndEmpty" => {
                                builder = builder.set_include_null_and_empty(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "SecurityProtocol" => {
                                builder = builder.set_security_protocol(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::KafkaSecurityProtocol::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "SslClientCertificateArn" => {
                                builder = builder.set_ssl_client_certificate_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SslClientKeyArn" => {
                                builder = builder.set_ssl_client_key_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SslClientKeyPassword" => {
                                builder = builder.set_ssl_client_key_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SslCaCertificateArn" => {
                                builder = builder.set_ssl_ca_certificate_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SaslUsername" => {
                                builder = builder.set_sasl_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SaslPassword" => {
                                builder = builder.set_sasl_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "NoHexPrefix" => {
                                builder = builder.set_no_hex_prefix(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_elasticsearch_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ElasticsearchSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ElasticsearchSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EndpointUri" => {
                                builder = builder.set_endpoint_uri(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "FullLoadErrorPercentage" => {
                                builder = builder.set_full_load_error_percentage(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ErrorRetryDuration" => {
                                builder = builder.set_error_retry_duration(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_neptune_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::NeptuneSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::NeptuneSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "S3BucketName" => {
                                builder = builder.set_s3_bucket_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "S3BucketFolder" => {
                                builder = builder.set_s3_bucket_folder(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ErrorRetryDuration" => {
                                builder = builder.set_error_retry_duration(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "MaxFileSize" => {
                                builder = builder.set_max_file_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "MaxRetryCount" => {
                                builder = builder.set_max_retry_count(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "IamAuthEnabled" => {
                                builder = builder.set_iam_auth_enabled(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_redshift_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::RedshiftSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::RedshiftSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "AcceptAnyDate" => {
                                builder = builder.set_accept_any_date(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "AfterConnectScript" => {
                                builder = builder.set_after_connect_script(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BucketFolder" => {
                                builder = builder.set_bucket_folder(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "BucketName" => {
                                builder = builder.set_bucket_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CaseSensitiveNames" => {
                                builder = builder.set_case_sensitive_names(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CompUpdate" => {
                                builder = builder.set_comp_update(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "ConnectionTimeout" => {
                                builder = builder.set_connection_timeout(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DateFormat" => {
                                builder = builder.set_date_format(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EmptyAsNull" => {
                                builder = builder.set_empty_as_null(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "EncryptionMode" => {
                                builder = builder.set_encryption_mode(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::EncryptionModeValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ExplicitIds" => {
                                builder = builder.set_explicit_ids(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "FileTransferUploadStreams" => {
                                builder = builder.set_file_transfer_upload_streams(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "LoadTimeout" => {
                                builder = builder.set_load_timeout(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "MaxFileSize" => {
                                builder = builder.set_max_file_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "RemoveQuotes" => {
                                builder = builder.set_remove_quotes(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "ReplaceInvalidChars" => {
                                builder = builder.set_replace_invalid_chars(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplaceChars" => {
                                builder = builder.set_replace_chars(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServiceAccessRoleArn" => {
                                builder = builder.set_service_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServerSideEncryptionKmsKeyId" => {
                                builder = builder.set_server_side_encryption_kms_key_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TimeFormat" => {
                                builder = builder.set_time_format(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TrimBlanks" => {
                                builder = builder.set_trim_blanks(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "TruncateColumns" => {
                                builder = builder.set_truncate_columns(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "WriteBufferSize" => {
                                builder = builder.set_write_buffer_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_postgre_sql_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::PostgreSqlSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::PostgreSqlSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "AfterConnectScript" => {
                                builder = builder.set_after_connect_script(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CaptureDdls" => {
                                builder = builder.set_capture_ddls(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "MaxFileSize" => {
                                builder = builder.set_max_file_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DdlArtifactsSchema" => {
                                builder = builder.set_ddl_artifacts_schema(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ExecuteTimeout" => {
                                builder = builder.set_execute_timeout(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "FailTasksOnLobTruncation" => {
                                builder = builder.set_fail_tasks_on_lob_truncation(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "HeartbeatEnable" => {
                                builder = builder.set_heartbeat_enable(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "HeartbeatSchema" => {
                                builder = builder.set_heartbeat_schema(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "HeartbeatFrequency" => {
                                builder = builder.set_heartbeat_frequency(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SlotName" => {
                                builder = builder.set_slot_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "PluginName" => {
                                builder = builder.set_plugin_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::PluginNameValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_my_sql_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::MySqlSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::MySqlSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "AfterConnectScript" => {
                                builder = builder.set_after_connect_script(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CleanSourceMetadataOnMismatch" => {
                                builder = builder.set_clean_source_metadata_on_mismatch(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EventsPollInterval" => {
                                builder = builder.set_events_poll_interval(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "TargetDbType" => {
                                builder = builder.set_target_db_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::TargetDbType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "MaxFileSize" => {
                                builder = builder.set_max_file_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ParallelLoadThreads" => {
                                builder = builder.set_parallel_load_threads(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServerTimezone" => {
                                builder = builder.set_server_timezone(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_oracle_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::OracleSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::OracleSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "AddSupplementalLogging" => {
                                builder = builder.set_add_supplemental_logging(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "ArchivedLogDestId" => {
                                builder = builder.set_archived_log_dest_id(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "AdditionalArchivedLogDestId" => {
                                builder = builder.set_additional_archived_log_dest_id(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ExtraArchivedLogDestIds" => {
                                builder = builder.set_extra_archived_log_dest_ids(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_integer_list(tokens)?
                                );
                            }
                            "AllowSelectNestedTables" => {
                                builder = builder.set_allow_select_nested_tables(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "ParallelAsmReadThreads" => {
                                builder = builder.set_parallel_asm_read_threads(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ReadAheadBlocks" => {
                                builder = builder.set_read_ahead_blocks(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "AccessAlternateDirectly" => {
                                builder = builder.set_access_alternate_directly(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "UseAlternateFolderForOnline" => {
                                builder = builder.set_use_alternate_folder_for_online(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "OraclePathPrefix" => {
                                builder = builder.set_oracle_path_prefix(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "UsePathPrefix" => {
                                builder = builder.set_use_path_prefix(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplacePathPrefix" => {
                                builder = builder.set_replace_path_prefix(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "EnableHomogenousTablespace" => {
                                builder = builder.set_enable_homogenous_tablespace(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "DirectPathNoLog" => {
                                builder = builder.set_direct_path_no_log(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "ArchivedLogsOnly" => {
                                builder = builder.set_archived_logs_only(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "AsmPassword" => {
                                builder = builder.set_asm_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AsmServer" => {
                                builder = builder.set_asm_server(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AsmUser" => {
                                builder = builder.set_asm_user(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CharLengthSemantics" => {
                                builder = builder.set_char_length_semantics(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::CharLengthSemantics::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "DirectPathParallelLoad" => {
                                builder = builder.set_direct_path_parallel_load(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "FailTasksOnLobTruncation" => {
                                builder = builder.set_fail_tasks_on_lob_truncation(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "NumberDatatypeScale" => {
                                builder = builder.set_number_datatype_scale(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ReadTableSpaceName" => {
                                builder = builder.set_read_table_space_name(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "RetryInterval" => {
                                builder = builder.set_retry_interval(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "SecurityDbEncryption" => {
                                builder = builder.set_security_db_encryption(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecurityDbEncryptionName" => {
                                builder = builder.set_security_db_encryption_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SpatialDataOptionToGeoJsonFunctionName" => {
                                builder = builder
                                    .set_spatial_data_option_to_geo_json_function_name(
                                        smithy_json::deserialize::token::expect_string_or_null(
                                            tokens.next(),
                                        )?
                                        .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                        .transpose()?,
                                    );
                            }
                            "StandbyDelayTime" => {
                                builder = builder.set_standby_delay_time(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "UseBFile" => {
                                builder = builder.set_use_b_file(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "UseDirectPathFullLoad" => {
                                builder = builder.set_use_direct_path_full_load(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "UseLogminerReader" => {
                                builder = builder.set_use_logminer_reader(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerOracleAsmAccessRoleArn" => {
                                builder = builder.set_secrets_manager_oracle_asm_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerOracleAsmSecretId" => {
                                builder = builder.set_secrets_manager_oracle_asm_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_sybase_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::SybaseSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::SybaseSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_microsoft_sql_server_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::MicrosoftSqlServerSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::MicrosoftSqlServerSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "BcpPacketSize" => {
                                builder = builder.set_bcp_packet_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ControlTablesFileGroup" => {
                                builder = builder.set_control_tables_file_group(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "QuerySingleAlwaysOnNode" => {
                                builder = builder.set_query_single_always_on_node(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "ReadBackupOnly" => {
                                builder = builder.set_read_backup_only(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "SafeguardPolicy" => {
                                builder = builder.set_safeguard_policy(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::SafeguardPolicy::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "UseBcpFullLoad" => {
                                builder = builder.set_use_bcp_full_load(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "UseThirdPartyBackupDevice" => {
                                builder = builder.set_use_third_party_backup_device(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_ibm_db2_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::IbmDb2Settings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::IbmDb2Settings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SetDataCaptureChanges" => {
                                builder = builder.set_set_data_capture_changes(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "CurrentLsn" => {
                                builder = builder.set_current_lsn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "MaxKBytesPerRead" => {
                                builder = builder.set_max_k_bytes_per_read(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_doc_db_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::DocDbSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::DocDbSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Username" => {
                                builder = builder.set_username(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Password" => {
                                builder = builder.set_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DatabaseName" => {
                                builder = builder.set_database_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "NestingLevel" => {
                                builder = builder.set_nesting_level(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::NestingLevelValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ExtractDocId" => {
                                builder = builder.set_extract_doc_id(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "DocsToInvestigate" => {
                                builder = builder.set_docs_to_investigate(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "KmsKeyId" => {
                                builder = builder.set_kms_key_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerAccessRoleArn" => {
                                builder = builder.set_secrets_manager_access_role_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SecretsManagerSecretId" => {
                                builder = builder.set_secrets_manager_secret_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_redis_settings<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::RedisSettings>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::RedisSettings::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ServerName" => {
                                builder = builder.set_server_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Port" => {
                                builder = builder.set_port(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "SslSecurityProtocol" => {
                                builder = builder.set_ssl_security_protocol(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::SslSecurityProtocolValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "AuthType" => {
                                builder = builder.set_auth_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::RedisAuthTypeValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "AuthUserName" => {
                                builder = builder.set_auth_user_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AuthPassword" => {
                                builder = builder.set_auth_password(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SslCaCertificateArn" => {
                                builder = builder.set_ssl_ca_certificate_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_source_ids_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_event_categories_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_vpc_security_group_membership_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<std::vec::Vec<crate::model::VpcSecurityGroupMembership>>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            crate::json_deser::deser_structure_crate_model_vpc_security_group_membership(tokens)?
                        ;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_pending_modified_values<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ReplicationPendingModifiedValues>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationPendingModifiedValues::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationInstanceClass" => {
                                builder = builder.set_replication_instance_class(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AllocatedStorage" => {
                                builder = builder.set_allocated_storage(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "MultiAZ" => {
                                builder = builder.set_multi_az(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "EngineVersion" => {
                                builder = builder.set_engine_version(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_instance_public_ip_address_list<
    'a,
    I,
>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_replication_instance_private_ip_address_list<
    'a,
    I,
>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_subnet_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<crate::model::Subnet>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value = crate::json_deser::deser_structure_crate_model_subnet(tokens)?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_task_stats<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ReplicationTaskStats>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationTaskStats::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "FullLoadProgressPercent" => {
                                builder = builder.set_full_load_progress_percent(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "ElapsedTimeMillis" => {
                                builder = builder.set_elapsed_time_millis(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "TablesLoaded" => {
                                builder = builder.set_tables_loaded(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "TablesLoading" => {
                                builder = builder.set_tables_loading(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "TablesQueued" => {
                                builder = builder.set_tables_queued(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "TablesErrored" => {
                                builder = builder.set_tables_errored(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "FreshStartDate" => {
                                builder = builder.set_fresh_start_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "StartDate" => {
                                builder = builder.set_start_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "StopDate" => {
                                builder = builder.set_stop_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "FullLoadStartDate" => {
                                builder = builder.set_full_load_start_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "FullLoadFinishDate" => {
                                builder = builder.set_full_load_finish_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_account_quota<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::AccountQuota>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::AccountQuota::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "AccountQuotaName" => {
                                builder = builder.set_account_quota_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Used" => {
                                builder = builder.set_used(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "Max" => {
                                builder = builder.set_max(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_endpoint_setting<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::EndpointSetting>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::EndpointSetting::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Name" => {
                                builder = builder.set_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Type" => {
                                builder = builder.set_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::EndpointSettingTypeValue::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "EnumValues" => {
                                builder = builder.set_enum_values(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_endpoint_setting_enum_values(tokens)?
                                );
                            }
                            "Sensitive" => {
                                builder = builder.set_sensitive(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "Units" => {
                                builder = builder.set_units(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Applicability" => {
                                builder = builder.set_applicability(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IntValueMin" => {
                                builder = builder.set_int_value_min(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "IntValueMax" => {
                                builder = builder.set_int_value_max(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DefaultValue" => {
                                builder = builder.set_default_value(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_supported_endpoint_type<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::SupportedEndpointType>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::SupportedEndpointType::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "EngineName" => {
                                builder = builder.set_engine_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SupportsCDC" => {
                                builder = builder.set_supports_cdc(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "EndpointType" => {
                                builder = builder.set_endpoint_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ReplicationEndpointTypeValue::from(
                                                u.as_ref(),
                                            )
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceEngineMinimumVersion" => {
                                builder = builder.set_replication_instance_engine_minimum_version(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EngineDisplayName" => {
                                builder = builder.set_engine_display_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_event_category_group<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::EventCategoryGroup>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::EventCategoryGroup::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "SourceType" => {
                                builder = builder.set_source_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EventCategories" => {
                                builder = builder.set_event_categories(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_event_categories_list(tokens)?
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_event<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Event>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Event::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "SourceIdentifier" => {
                                builder = builder.set_source_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SourceType" => {
                                builder = builder.set_source_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped()
                                            .map(|u| crate::model::SourceType::from(u.as_ref()))
                                    })
                                    .transpose()?,
                                );
                            }
                            "Message" => {
                                builder = builder.set_message(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "EventCategories" => {
                                builder = builder.set_event_categories(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_event_categories_list(tokens)?
                                );
                            }
                            "Date" => {
                                builder = builder.set_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_orderable_replication_instance<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::OrderableReplicationInstance>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::OrderableReplicationInstance::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "EngineVersion" => {
                                builder = builder.set_engine_version(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceClass" => {
                                builder = builder.set_replication_instance_class(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "StorageType" => {
                                builder = builder.set_storage_type(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "MinAllocatedStorage" => {
                                builder = builder.set_min_allocated_storage(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "MaxAllocatedStorage" => {
                                builder = builder.set_max_allocated_storage(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "DefaultAllocatedStorage" => {
                                builder = builder.set_default_allocated_storage(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "IncludedAllocatedStorage" => {
                                builder = builder.set_included_allocated_storage(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i32()),
                                );
                            }
                            "AvailabilityZones" => {
                                builder = builder.set_availability_zones(
                                    crate::json_deser::deser_list_com_amazonaws_databasemigrationservice_availability_zones_list(tokens)?
                                );
                            }
                            "ReleaseStatus" => {
                                builder = builder.set_release_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| {
                                        s.to_unescaped().map(|u| {
                                            crate::model::ReleaseStatusValues::from(u.as_ref())
                                        })
                                    })
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_instance_task_log<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ReplicationInstanceTaskLog>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationInstanceTaskLog::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationTaskName" => {
                                builder = builder.set_replication_task_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskArn" => {
                                builder = builder.set_replication_task_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationInstanceTaskLogSize" => {
                                builder = builder.set_replication_instance_task_log_size(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_task_assessment_result<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::ReplicationTaskAssessmentResult>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationTaskAssessmentResult::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationTaskIdentifier" => {
                                builder = builder.set_replication_task_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskArn" => {
                                builder = builder.set_replication_task_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskLastAssessmentDate" => {
                                builder = builder.set_replication_task_last_assessment_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "AssessmentStatus" => {
                                builder = builder.set_assessment_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AssessmentResultsFile" => {
                                builder = builder.set_assessment_results_file(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AssessmentResults" => {
                                builder = builder.set_assessment_results(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "S3ObjectUrl" => {
                                builder = builder.set_s3_object_url(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_replication_task_individual_assessment<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<
    Option<crate::model::ReplicationTaskIndividualAssessment>,
    smithy_json::deserialize::Error,
>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::ReplicationTaskIndividualAssessment::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "ReplicationTaskIndividualAssessmentArn" => {
                                builder = builder.set_replication_task_individual_assessment_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskAssessmentRunArn" => {
                                builder = builder.set_replication_task_assessment_run_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "IndividualAssessmentName" => {
                                builder = builder.set_individual_assessment_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ReplicationTaskIndividualAssessmentStartDate" => {
                                builder = builder
                                    .set_replication_task_individual_assessment_start_date(
                                        smithy_json::deserialize::token::expect_timestamp_or_null(
                                            tokens.next(),
                                            smithy_types::instant::Format::EpochSeconds,
                                        )?,
                                    );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_table_statistics<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::TableStatistics>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::TableStatistics::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "SchemaName" => {
                                builder = builder.set_schema_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "TableName" => {
                                builder = builder.set_table_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Inserts" => {
                                builder = builder.set_inserts(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "Deletes" => {
                                builder = builder.set_deletes(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "Updates" => {
                                builder = builder.set_updates(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "Ddls" => {
                                builder = builder.set_ddls(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "FullLoadRows" => {
                                builder = builder.set_full_load_rows(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "FullLoadCondtnlChkFailedRows" => {
                                builder = builder.set_full_load_condtnl_chk_failed_rows(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "FullLoadErrorRows" => {
                                builder = builder.set_full_load_error_rows(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "FullLoadStartTime" => {
                                builder = builder.set_full_load_start_time(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "FullLoadEndTime" => {
                                builder = builder.set_full_load_end_time(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "FullLoadReloaded" => {
                                builder = builder.set_full_load_reloaded(
                                    smithy_json::deserialize::token::expect_bool_or_null(
                                        tokens.next(),
                                    )?,
                                );
                            }
                            "LastUpdateTime" => {
                                builder = builder.set_last_update_time(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "TableState" => {
                                builder = builder.set_table_state(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ValidationPendingRecords" => {
                                builder = builder.set_validation_pending_records(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "ValidationFailedRecords" => {
                                builder = builder.set_validation_failed_records(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "ValidationSuspendedRecords" => {
                                builder = builder.set_validation_suspended_records(
                                    smithy_json::deserialize::token::expect_number_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|v| v.to_i64()),
                                );
                            }
                            "ValidationState" => {
                                builder = builder.set_validation_state(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ValidationStateDetails" => {
                                builder = builder.set_validation_state_details(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_tag<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Tag>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Tag::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Key" => {
                                builder = builder.set_key(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Value" => {
                                builder = builder.set_value(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "ResourceArn" => {
                                builder = builder.set_resource_arn(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_pending_maintenance_action<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::PendingMaintenanceAction>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::PendingMaintenanceAction::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Action" => {
                                builder = builder.set_action(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "AutoAppliedAfterDate" => {
                                builder = builder.set_auto_applied_after_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "ForcedApplyDate" => {
                                builder = builder.set_forced_apply_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "OptInStatus" => {
                                builder = builder.set_opt_in_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "CurrentApplyDate" => {
                                builder = builder.set_current_apply_date(
                                    smithy_json::deserialize::token::expect_timestamp_or_null(
                                        tokens.next(),
                                        smithy_types::instant::Format::EpochSeconds,
                                    )?,
                                );
                            }
                            "Description" => {
                                builder = builder.set_description(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_integer_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<i32>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_number_or_null(tokens.next())?
                                .map(|v| v.to_i32());
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

pub fn deser_structure_crate_model_vpc_security_group_membership<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::VpcSecurityGroupMembership>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::VpcSecurityGroupMembership::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "VpcSecurityGroupId" => {
                                builder = builder.set_vpc_security_group_id(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "Status" => {
                                builder = builder.set_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

pub fn deser_structure_crate_model_subnet<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::Subnet>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::Subnet::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "SubnetIdentifier" => {
                                builder = builder.set_subnet_identifier(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            "SubnetAvailabilityZone" => {
                                builder = builder.set_subnet_availability_zone(
                                    crate::json_deser::deser_structure_crate_model_availability_zone(tokens)?
                                );
                            }
                            "SubnetStatus" => {
                                builder = builder.set_subnet_status(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_endpoint_setting_enum_values<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

#[allow(clippy::type_complexity, non_snake_case)]
pub fn deser_list_com_amazonaws_databasemigrationservice_availability_zones_list<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<std::vec::Vec<std::string::String>>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartArray { .. }) => {
            let mut items = Vec::new();
            loop {
                match tokens.peek() {
                    Some(Ok(smithy_json::deserialize::Token::EndArray { .. })) => {
                        tokens.next().transpose().unwrap();
                        break;
                    }
                    _ => {
                        let value =
                            smithy_json::deserialize::token::expect_string_or_null(tokens.next())?
                                .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                .transpose()?;
                        if let Some(value) = value {
                            items.push(value);
                        }
                    }
                }
            }
            Ok(Some(items))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start array or null",
        )),
    }
}

pub fn deser_structure_crate_model_availability_zone<'a, I>(
    tokens: &mut std::iter::Peekable<I>,
) -> Result<Option<crate::model::AvailabilityZone>, smithy_json::deserialize::Error>
where
    I: Iterator<
        Item = Result<smithy_json::deserialize::Token<'a>, smithy_json::deserialize::Error>,
    >,
{
    match tokens.next().transpose()? {
        Some(smithy_json::deserialize::Token::ValueNull { .. }) => Ok(None),
        Some(smithy_json::deserialize::Token::StartObject { .. }) => {
            #[allow(unused_mut)]
            let mut builder = crate::model::AvailabilityZone::builder();
            loop {
                match tokens.next().transpose()? {
                    Some(smithy_json::deserialize::Token::EndObject { .. }) => break,
                    Some(smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                        match key.to_unescaped()?.as_ref() {
                            "Name" => {
                                builder = builder.set_name(
                                    smithy_json::deserialize::token::expect_string_or_null(
                                        tokens.next(),
                                    )?
                                    .map(|s| s.to_unescaped().map(|u| u.into_owned()))
                                    .transpose()?,
                                );
                            }
                            _ => smithy_json::deserialize::token::skip_value(tokens)?,
                        }
                    }
                    _ => {
                        return Err(smithy_json::deserialize::Error::custom(
                            "expected object key or end object",
                        ))
                    }
                }
            }
            Ok(Some(builder.build()))
        }
        _ => Err(smithy_json::deserialize::Error::custom(
            "expected start object or null",
        )),
    }
}
