@Override
	public void showReferencesToLocation(ProgramLocation location, Navigatable navigatable) {
		if (location == null) {
			throw new NullPointerException("Cannot show references to a null location");
		}
		displayProviderForLocation(location, navigatable);
	}
@see ghidra.framework.plugintool.Plugin#dispose()
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/navigation/locationreferences/LocationReferencesPlugin.java