code: function (value, options, callback) {
              /**
               * The post collection load handler.
               *
               * @param {?Error} err - An Error instance / null, passed from the collection loader.
               * @param {Object} collection - The collection / raw JSON object, passed from the collection loader.
               * @returns {*}
               */
              var done = function (err, collection) {
                  if (err) {
                      return callback(err);
                  }
  
                  // ensure that the collection option is present before starting a run
                  if (!_.isObject(collection)) {
                      return callback(new Error(COLLECTION_LOAD_ERROR_MESSAGE));
                  }
  
                  // ensure that the collection reference is an SDK instance
                  // @todo - should this be handled by config loaders?
                  collection = new Collection(Collection.isCollection(collection) ?
                      // if the option contain an instance of collection, we simply clone it for future use
                      // create a collection in case it is not one. user can send v2 JSON as a source and that will be
                      // converted to a collection
                      collection.toJSON() : collection);
  
                  callback(null, collection);
              };
  
              // if the collection has been specified as an object, convert to V2 if necessary and return the result
              if (_.isObject(value)) {
                  return processCollection(value, done);
              }
  
              externalLoader('collection', value, options, function (err, data) {
                  if (err) {
                      return done(err);
                  }
                  if (!_.isObject(data)) {
                      return done(new Error(COLLECTION_LOAD_ERROR_MESSAGE));
                  }
  
                  return processCollection(data, done);
              });
          }
docs: The collection file load helper for the current run.
  
  @param {Object|String} value - The collection, specified as a JSON object, or the path to it's file.
  @param {Object} options - The set of wrapped options.
  @param {Function} callback - The callback function invoked to mark the end of the collection load routine.
  @returns {*}