code: function(lineIndex, e) {
  			if (!this._currentClickGroup) {
  				this._setCurrentGroup(-1);
  			}
  
  			if (this._hoverTimeout) {
  				window.clearTimeout(this._hoverTimeout);
  				this._hoverTimeout = null;
  			}
  		}
docs: This event is sent when the mouse pointer exits a line annotation.
  
  @event
  @param {Number} lineIndex the line index of the annotation under the pointer.
  @param {DOMEvent} e the mouse out event.
  @callback