@Override
	public String toString() {
		return generateXMLString() + "\n\t[source file=\"" + getSourceFile() + "\" (line:" +
			getLineNumber() + ")]";
	}
Overridden, as if we get called, then something is in an invalid state, so generate special output
Ghidra/Framework/Help/src/main/java/help/validator/model/TOCItemReference.java