mxGraphView.prototype.getVisibleTerminal=function(a,b){var c=this.graph.getModel();for(b=a=c.getTerminal(a,b);null!=a&&a!=this.currentRoot;){if(!this.graph.isCellVisible(b)||this.isCellCollapsed(a))b=a;a=c.getParent(a)}null==b||c.contains(b)&&c.getParent(b)!=c.getRoot()&&b!=this.currentRoot||(b=null);return b};