private int compareAsStrings(Object o1, Object o2) {
		String s1 = o1.toString();
		String s2 = o2.toString();
		return s1.compareToIgnoreCase(s2);
	}
A column comparator that is used when columns do not supply their own comparator.   This
comparator will use the natural sorting (i.e., the value implements Comparable), 
defaulting to the String representation for the given value.
Ghidra/Framework/Docking/src/main/java/docking/widgets/table/sort/DefaultColumnComparator.java