/// Creates a new Client builder with the given user agent.
Creates a new Client builder with the given user agent.
Creates a new Client builder with the given user agent .
pub fn with_user_agent(user_agent: impl fmt::Display) -> Self {
        Self {
            user_agent: user_agent.to_string(),
            credentials: None,
        }
    }
pub fn with_user_agent ( user_agent : impl fmt :: Display ) -> Self { Self { user_agent : user_agent . to_string ( ) , credentials : None , } }
Creates a new Client builder with the given user agent.
Creates a new Client builder with the given user agent .
user_agent
impl fmt::Display