@Override
	protected List<String> getDecisionPath() {
		return new ArrayList<String>();
	}
Special root node for a decision tree.  Root nodes don't have a real constraint, so 
a dummy constraint that is always satisfied is used.

@param <T> the type of object used to test constraints.s
Ghidra/Framework/Generic/src/main/java/generic/constraint/RootDecisionNode.java