@Override
    protected void saveProperty(ObjectOutputStream oos, long index) throws IOException {
		oos.writeObject(getObject(index));
	}
Retrieves the object stored at the given index.
@param index the index at which to retrieve the object.
@return the object stored at the given index or null if no object is
stored at the index.
Ghidra/Framework/Generic/src/main/java/ghidra/util/map/ObjectValueMap.java