arguments)}finally{f.endUpdate()}return a};mxEdgeSegmentHandler.prototype.getTooltipForNode=function(a){return null};mxEdgeSegmentHandler.prototype.start=function(a,b,c){mxEdgeHandler.prototype.start.apply(this,arguments);null==this.bends||null==this.bends[c]||this.isSource||this.isTarget||mxUtils.setOpacity(this.bends[c].node,100)};