function mxGraphHierarchyNode(a){mxGraphAbstractHierarchyCell.apply(this,arguments);this.cell=a;this.id=mxObjectIdentity.get(a);this.connectsAsTarget=[];this.connectsAsSource=[]}mxGraphHierarchyNode.prototype=new mxGraphAbstractHierarchyCell;mxGraphHierarchyNode.prototype.constructor=mxGraphHierarchyNode;mxGraphHierarchyNode.prototype.cell=null;mxGraphHierarchyNode.prototype.id=null;mxGraphHierarchyNode.prototype.connectsAsTarget=null;mxGraphHierarchyNode.prototype.connectsAsSource=null;