public Iterator<FunctionDescription> listFunctionsAfter(FunctionDescription func) {
		return funcrec.tailSet(func, false).iterator();
	}
Using the standard exe-md5, function name, address sorting, return an
iterator over all functions starting with the first function after
an indicated -func-
@param func is FunctionDescription indicating where the iterator should start (after)
@return the new iterator
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/query/description/DescriptionManager.java