Constructs and returns the ApiGateway RestApi.

        :returns: the RestApi to which this SAM Api corresponds
        :rtype: model.apigateway.ApiGatewayRestApi

def _construct_rest_api(self):
        """Constructs and returns the ApiGateway RestApi.

        :returns: the RestApi to which this SAM Api corresponds
        :rtype: model.apigateway.ApiGatewayRestApi
        """
        rest_api = ApiGatewayRestApi(self.logical_id, depends_on=self.depends_on, attributes=self.resource_attributes)
        rest_api.BinaryMediaTypes = self.binary_media
        rest_api.MinimumCompressionSize = self.minimum_compression_size

        if self.endpoint_configuration:
            self._set_endpoint_configuration(rest_api, self.endpoint_configuration)

        elif not RegionConfiguration.is_apigw_edge_configuration_supported():
            # Since this region does not support EDGE configuration, we explicitly set the endpoint type
            # to Regional which is the only supported config.
            self._set_endpoint_configuration(rest_api, "REGIONAL")

        if self.definition_uri and self.definition_body:
            raise InvalidResourceException(self.logical_id,
                                           "Specify either 'DefinitionUri' or 'DefinitionBody' property and not both")

        self._add_cors()
        self._add_auth()
        self._add_gateway_responses()

        if self.definition_uri:
            rest_api.BodyS3Location = self._construct_body_s3_dict()
        elif self.definition_body:
            rest_api.Body = self.definition_body

        if self.name:
            rest_api.Name = self.name

        return rest_api