Tuple4MapperImpl extends AbstractTupleMapper<T, Tuple4<T0, T1, T2, T3>> implements TupleMapper<T, Tuple4<T0, T1, T2, T3>> { public Function<T, T0> get0() { return getAndCast(0); } Tuple4MapperImpl(
            Function<T, T0> m0,
            Function<T, T1> m1,
            Function<T, T2> m2,
            Function<T, T3> m3); @Override Tuple4<T0, T1, T2, T3> apply(T t); Function<T, T0> get0(); Function<T, T1> get1(); Function<T, T2> get2(); Function<T, T3> get3();  }
@Test void get0() { assertEquals(m0, instance.get0()); }