@Override
	public boolean containsKey(short key) {
        if ((key >= 0) &&(key < numKeys)) {
            return true;
        }
        return false;
    }
@see ghidra.util.datastruct.ShortKeySet#containsKey(short)
Ghidra/Framework/Generic/src/main/java/ghidra/util/datastruct/FullKeySet.java