@SuppressWarnings("unchecked")
    public static <T, Z> NullDecoder<T, Z> get() {
        return (NullDecoder<T, Z>) NULL_DECODER;
    }
Returns an instance of the NullDecoder for the given types.

@param <T> The data type.
@param <Z> The resource type.
core/src/main/java/com/bumptech/glide/load/resource/NullDecoder.java