src/main/java/com/googlecode/objectify/ObjectifyFactory.java
@SuppressWarnings("unchecked")
	public <T> EntityMetadata<T> getMetadataForEntity(final T obj) throws IllegalArgumentException {
		// Type erasure sucks
		return (EntityMetadata<T>)this.getMetadata(obj.getClass());
	}
@SuppressWarnings("unchecked")
	public <T> EntityMetadata<T> getMetadataForEntity(final T obj) throws IllegalArgumentException {
		// Type erasure sucks
		return (EntityMetadata<T>)this.getMetadata(obj.getClass());
	}
Named differently so you don't accidentally use the Object form
@return the metadata for a kind of typed object.
@throws IllegalArgumentException if the kind has not been registered