/**
* Set a new label for the wrapped expression, assuming it is a node
*
* @param label value of the new label
*/
public static void setNodeLabel(ExpressionNode n, String label) {
n.setLabel(label);
}
/** @return the label of the expression, assuming it is a node */
public static String getNodeLabel(ExpressionNode n) {
return n.getLabel();
}