code: function() {
  
  		var name;
  			//i = 0,
  			//count = this._records.length;
  
  		/*for (; i < count; i++) {
  
  			this._records[i].destroy();
  
  		}*/
  
  		for (name in this._fields) {
  
  			this._fields[name].destroy();
  
  		}
  
  		this._records = this._records_by_guid = this._properties_by_guid = this._fields = null;
  
  	}
docs: Free resources and make this instance unusable