public static <T> NullableCoder<T> of(Coder<T> valueCoder) { if (valueCoder instanceof NullableCoder) { return (NullableCoder<T>) valueCoder; } return new NullableCoder<>(valueCoder); }
public static <T> NullableCoder<T> of(Coder<T> valueCoder) { if (valueCoder instanceof NullableCoder) { return (NullableCoder<T>) valueCoder; } return new NullableCoder<>(valueCoder); }