this.eventConsumer)};mxDragSource.prototype.dragExit=function(a,b){this.currentPoint=this.currentDropTarget=null;a.isMouseDown=!1;a.removeListener(this.eventConsumer);null!=this.previewElement&&(null!=this.previewElement.parentNode&&this.previewElement.parentNode.removeChild(this.previewElement),this.previewElement=null);null!=this.currentGuide&&(this.currentGuide.destroy(),this.currentGuide=null);null!=this.currentHighlight&&(this.currentHighlight.destroy(),this.currentHighlight=null)};