mxGraphHierarchyEdge.prototype.getPreviousLayerConnectedCells=function(a){if(null==this.previousLayerConnectedCells){this.previousLayerConnectedCells=[];for(var b=0;b<this.temp.length;b++)this.previousLayerConnectedCells[b]=[],0==b?this.previousLayerConnectedCells[b].push(this.target):this.previousLayerConnectedCells[b].push(this)}return this.previousLayerConnectedCells[a-this.minRank-1]};mxGraphHierarchyEdge.prototype.isEdge=function(){return!0};