code: function (object, options, callback) {
          if (!options.outputVersion || !semver.valid(options.outputVersion, true)) {
              return callback(new Error('Output version not specified or invalid: ' + options.outputVersion));
          }
          if (!options.inputVersion || !semver.valid(options.inputVersion, true)) {
              return callback(new Error('Input version not specified or invalid: ' + options.inputVersion));
          }
  
          return converter.convertSingle(object, options, callback);
      }
docs: Converts a single V1 request to a V2 Item, or a V2 item to a single V1 request.
  
  @param {Object} object - A V1 request or a V2 item.
  @param {Object} options - The set of options for response conversion.
  @param {String} options.outputVersion - The version to convert to.
  @param {String} options.inputVersion - The version to convert from.
  @param {Function} callback - The function invoked to mark the completion of the conversion process.