@Nullable C correctedDoForward(@Nullable A a) {
      return second.correctedDoForward(first.correctedDoForward(a));
    }

    @Override
    @Nullable A correctedDoBackward(@Nullable C c) {
      return first.correctedDoBackward(second.correctedDoBackward(c));
    }

    @Override
    public boolean equals(@Nullable Object object) {
      if (object instanceof ConverterComposition) {