src/main/java/com/googlecode/objectify/ObjectifyFactory.java
public ObjectifyImpl open(final ObjectifyOptions opts, final TransactorSupplier transactorSupplier) {
		final ObjectifyImpl objectify = new ObjectifyImpl(this, opts, transactorSupplier);
		stacks.get().add(objectify);
		return objectify;
	}
public ObjectifyImpl open(final ObjectifyOptions opts, final TransactorSupplier transactorSupplier) {
		final ObjectifyImpl objectify = new ObjectifyImpl(this, opts, transactorSupplier);
		stacks.get().add(objectify);
		return objectify;
	}
This is only public because it is used from the impl package; don't use this as a public API