src/main/java/com/googlecode/objectify/Ref.java
public static <T> Ref<T> create(Key<T> key) {
		if (key == null)
			throw new NullPointerException("Cannot create a Ref from a null key");

		return new LiveRef<>(key);
	}
public static <T> Ref<T> create(Key<T> key) {
		if (key == null)
			throw new NullPointerException("Cannot create a Ref from a null key");

		return new LiveRef<>(key);
	}
Key.create(Blah.class, id) is easier to type than new Key<Blah>(Blah.class, id)