default <V>ThrowingBiFunction<T1,T2,V,E> andThen(final ThrowingFunction<? super R,? extends V,E> after){
  Objects.requireNonNull(after);
  return null;
}

default < V > ThrowingBiFunction < T1 , T2 , V , E > andThen ( final ThrowingFunction < ? super R , ? extends V , E > after ) { Objects . requireNonNull ( after ) ; return null ; }
performs provided action on the result of this throwingbifunction instance
