# File lib/aws/core/rest_response_parser.rb, line 22
      def initialize operation, options
        @http = operation[:http]
        @parser =
          case options[:format]
          when :xml then XML::Parser.new(operation[:outputs])
          when :json then Core::JSONParser.new(operation[:outputs])
          else raise "unhandled format: #{options[:format].inspect}"
          end
      end