code: function (options) {
          var chosenConverter = this.getConverter(options.inputVersion, options.outputVersion);
  
          return chosenConverter.create(options);
      }
docs: Returns a builder, which can be used to convert individual requests, etc.
  
  @param {Object} options - The set of options for builder creation.
  @returns {Function} - The builder for the given set of options.