Tuple1OfNullablesImpl extends AbstractTupleOfNullables implements Tuple1OfNullables<T0> { @SuppressWarnings("unchecked") @Override public Optional<T0> get0() { return Optional.ofNullable((T0) values[0]); } Tuple1OfNullablesImpl(T0 e0); @SuppressWarnings("unchecked") @Override Optional<T0> get0();  }
@Test void get0Test() { assertEquals(0, (int) instance.get0().orElseThrow(NoSuchElementException::new)); }