public void addClassHierarchyMapping(RecoveredClass recoveredClass,
			List<RecoveredClass> recoveredClasses) {

		if (!classHierarchyMap.keySet().contains(recoveredClass)) {
			classHierarchyMap.put(recoveredClass, recoveredClasses);
		}
	}
The Class that describes object oriented classes that exist in the program
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/RecoveredClass.java