/**
  * Returns a composed {@link ThrowableToDoubleBiFunction} that first applies the {@code before}
  * functions to its input, and then applies this function to the result.
  *
  * @param <A> The type of the argument to the first given function, and of composed function
  * @param <B> The type of the argument to the second given function, and of composed function
  * @param before1 The first function to apply before this function is applied
  * @param before2 The second function to apply before this function is applied
  * @return A composed {@code ThrowableToDoubleBiFunction} that first applies the {@code before}
  *     functions to its input, and then applies this function to the result.
  * @throws NullPointerException If given argument is {@code null}
  * @implSpec The input argument of this method is able to handle every type.
  */
 @Nonnull
 default <A, B> ThrowableToDoubleBiFunction<A, B, X> compose(
     @Nonnull final ThrowableFunction<? super A, ? extends T, ? extends X> before1,
     @Nonnull final ThrowableToCharFunction<? super B, ? extends X> before2) {
   Objects.requireNonNull(before1);
   Objects.requireNonNull(before2);
   return (a, b) -> applyAsDoubleThrows(before1.applyThrows(a), before2.applyAsCharThrows(b));
 }
 /**
  * Returns a composed {@link ThrowableToByteTriFunction} that first applies the {@code before}
  * functions to its input, and then applies this function to the result.
  *
  * @param <A> The type of the argument to the first given function, and of composed function
  * @param <B> The type of the argument to the second given predicate, and of composed function
  * @param <C> The type of the argument to the third given predicate, and of composed function
  * @param before1 The first function to apply before this function is applied
  * @param before2 The second predicate to apply before this function is applied
  * @param before3 The third predicate to apply before this function is applied
  * @return A composed {@code ThrowableToByteTriFunction} that first applies the {@code before}
  *     functions to its input, and then applies this function to the result.
  * @throws NullPointerException If given argument is {@code null}
  * @implSpec The input argument of this method is able to handle every type.
  */
 @Nonnull
 default <A, B, C> ThrowableToByteTriFunction<A, B, C, X> compose(
     @Nonnull final ThrowableFunction<? super A, ? extends T, ? extends X> before1,
     @Nonnull final ThrowablePredicate<? super B, ? extends X> before2,
     @Nonnull final ThrowablePredicate<? super C, ? extends X> before3) {
   Objects.requireNonNull(before1);
   Objects.requireNonNull(before2);
   Objects.requireNonNull(before3);
   return (a, b, c) ->
       applyAsByteThrows(before1.applyThrows(a), before2.testThrows(b), before3.testThrows(c));
 }
 /**
  * Returns a composed {@link ThrowableToFloatTriFunction} that first applies the {@code before}
  * functions to its input, and then applies this function to the result.
  *
  * @param <A> The type of the argument to the first given function, and of composed function
  * @param <B> The type of the argument to the second given function, and of composed function
  * @param <C> The type of the argument to the third given function, and of composed function
  * @param before1 The first function to apply before this function is applied
  * @param before2 The second function to apply before this function is applied
  * @param before3 The third function to apply before this function is applied
  * @return A composed {@code ThrowableToFloatTriFunction} that first applies the {@code before}
  *     functions to its input, and then applies this function to the result.
  * @throws NullPointerException If given argument is {@code null}
  * @implSpec The input argument of this method is able to handle every type.
  */
 @Nonnull
 default <A, B, C> ThrowableToFloatTriFunction<A, B, C, X> compose(
     @Nonnull final ThrowableFunction<? super A, ? extends T, ? extends X> before1,
     @Nonnull final ThrowableToLongFunction<? super B, ? extends X> before2,
     @Nonnull final ThrowableToLongFunction<? super C, ? extends X> before3) {
   Objects.requireNonNull(before1);
   Objects.requireNonNull(before2);
   Objects.requireNonNull(before3);
   return (a, b, c) ->
       applyAsFloatThrows(
           before1.applyThrows(a), before2.applyAsLongThrows(b), before3.applyAsLongThrows(c));
 }