mxGraphSelectionModel.prototype.removeCells=function(a){if(null!=a){for(var b=[],c=0;c<a.length;c++)this.isSelected(a[c])&&b.push(a[c]);this.changeSelection(null,b)}};mxGraphSelectionModel.prototype.changeSelection=function(a,b){if(null!=a&&0<a.length&&null!=a[0]||null!=b&&0<b.length&&null!=b[0])a=new mxSelectionChange(this,a,b),a.execute(),b=new mxUndoableEdit(this,!1),b.add(a),this.fireEvent(new mxEventObject(mxEvent.UNDO,"edit",b))};