@Override
	public boolean upgrade(ObjectStorage oldObjStorage, int oldSchemaVersion, ObjectStorage currentObjStorage) {
		return false;
	}
@see ghidra.util.Saveable#upgrade(ghidra.util.ObjectStorage, int, ghidra.util.ObjectStorage)
Ghidra/Framework/Generic/src/main/java/ghidra/util/datastruct/IntArrayList.java