public static <T> TypeSerializer<T> wrapIfNullIsNotSupported(
            @Nonnull TypeSerializer<T> originalSerializer, boolean padNullValueIfFixedLen) {
        return checkIfNullSupported(originalSerializer)
                ? originalSerializer
                : wrap(originalSerializer, padNullValueIfFixedLen);
    }
@Test
    void testWrappingNotNeeded() {
        assertThat(
                        NullableSerializer.wrapIfNullIsNotSupported(
                                StringSerializer.INSTANCE, isPaddingNullValue()))
                .isEqualTo(StringSerializer.INSTANCE);
    }