public static String getString(Stringable stringable, Program program) {
		if (stringable == null) {
			return null;
		}
		return stringable.shortName + DELIMITER + stringable.doConvertToString(program);
	}
getDisplayString() returns a display string for this stringable.<br>
Note: It must not return a null. Instead it should return an empty string if it has no value.
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/api/util/Stringable.java