what the fucking code

public class MemInfo<T extends Enum<T> & IMemKey> {

	public static <E extends Enum<E> & IMemKey> MemInfo<E> build(final E key, final Object 		ext) {
			return new MemInfo<E>(key, ext);
		}

	public MemInfo<T> build2(final T key, final Object	ext) {
		return new MemInfo<T>		(key, ext);
	}
}