mxGraphAbstractHierarchyCell.prototype.temp=null;mxGraphAbstractHierarchyCell.prototype.getNextLayerConnectedCells=function(a){return null};mxGraphAbstractHierarchyCell.prototype.getPreviousLayerConnectedCells=function(a){return null};mxGraphAbstractHierarchyCell.prototype.isEdge=function(){return!1};mxGraphAbstractHierarchyCell.prototype.isVertex=function(){return!1};mxGraphAbstractHierarchyCell.prototype.getGeneralPurposeVariable=function(a){return null};