# File lib/aws/core/client.rb, line 693
        def define_client_method method_name, builder, parser

          request_builders[method_name] = builder
          response_parsers[method_name] = parser

          add_client_request_method(method_name) do

            configure_request do |request, request_options|
              builder.populate_request(request, request_options)
            end

            process_response do |response|
              response.data = parser.extract_data(response)
            end

            simulate_response do |response|
              response.data = parser.simulate
            end

          end
        end