/* Excerpt starting at line 785 */

// When you have more items than you want to add or remove individually,
// you can reset the entire set with a new list of models, without firing
// any granular `add` or `remove` events. Fires `reset` when finished.
// Useful for bulk operations and optimizations.
reset: function(models, options) {
  options || (options = {});
  for (var i = 0, length = this.models.length; i < length; i++) {
    this._removeReference(this.models[i], options);
  }
  options.previousModels = this.models;
  this._reset();
  models = this.add(models, _.extend({silent: true}, options));
  if (!options.silent) this.trigger('reset', this, options);
  return models;
},