code: function(field, event_args) {
  
  		var local_record = event_args.collection_owner;
  		if (local_record.guid in this._collections_by_record_guid) {
  			Lava.suspendListener(this._collection_listeners_by_guid[local_record.guid].removed);
  			this._collections_by_record_guid[local_record.guid].removeValue(event_args.child);
  			Lava.resumeListener(this._collection_listeners_by_guid[local_record.guid].removed);
  		}
  
  	}
docs: Record was removed from collection by setting it's related Record field. Update local collection
  @param {Lava.data.field.Record} field
  @param {Lava.data.field.Record#event:removed_child} event_args