public Address getFirstVftableReferenceInFunction(Function function) {

		List<Address> vftableReferenceList = getVftableReferences(function);

		Collections.sort(vftableReferenceList);

		return vftableReferenceList.get(0);

	}
Method to get the address that references the first vftable in the given function
@param function the given function
@return the address in the given function that references the first referenced vftable or
null if no vftable is referenced in the given function
Ghidra/Features/Decompiler/ghidra_scripts/classrecovery/RecoveredClassHelper.java