def deserialize(response, return_type)
      body = response.body

      # handle file downloading - return the File instance processed in request callbacks
      # note that response body is empty when the file is written in chunks in request on_body callback
      return @tempfile if return_type == 'File'

      return nil if body.nil? || body.empty?

      # return response body directly for String return type
      return body if return_type == 'String'

      # ensuring a default content type
      content_type = response.headers['Content-Type'] || 'application/json'

      raise "Content-Type is not supported: #{content_type}" unless json_mime?(content_type)

      begin
        data = JSON.parse("[#{body}]", :symbolize_names => true)[0]
      rescue JSON::ParserError => e
        if %w[String Date DateTime].include?(return_type)
          data = body
        else
          raise e
        end
      end

      convert_to_type data, return_type
    end
def deserialize(response, return_type)
      body = response.body

      # handle file downloading - return the File instance processed in request callbacks
      # note that response body is empty when the file is written in chunks in request on_body callback
      return @tempfile if return_type == 'File'

      return nil if body.nil? || body.empty?

      # return response body directly for String return type
      return body if return_type == 'String'

      # ensuring a default content type
      content_type = response.headers['Content-Type'] || 'application/json'

      raise "Content-Type is not supported: #{content_type}" unless json_mime?(content_type)

      begin
        data = JSON.parse("[#{body}]", :symbolize_names => true)[0]
      rescue JSON::ParserError => e
        if %w[String Date DateTime].include?(return_type)
          data = body
        else
          raise e
        end
      end

      convert_to_type data, return_type
    end
Deserialize the response to the given return type.

 @param [Response] response HTTP response
 @param [String] return_type some examples: "User", "Array[User]", "Hash[String,Integer]"