return b},paste:function(a){var b=null;if(!mxClipboard.isEmpty()){b=a.getImportableCells(mxClipboard.getCells());var c=mxClipboard.insertCount*mxClipboard.STEPSIZE,d=a.getDefaultParent();b=a.importCells(b,c,c,d);mxClipboard.insertCount++;a.setSelectionCells(b)}return b}};