private static String getRefType(Reference r) {
		return r != null ? r.getReferenceType().getName() : "";
	}
A simple container object to provide clients with a reference and an address when both are
available.  If no reference exists, then only the {@link #getLocationOfUse()} address is
available.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/navigation/locationreferences/LocationReference.java