docs: @Nonnull
  	public static <T1, T2> ToLongBiFunction<T1, T2> toLongBiFunctionFrom(Consumer<ToLongBiFunctionBuilder<T1, T2>> buildingFunction) {
  		ToLongBiFunctionBuilder builder = new ToLongBiFunctionBuilder();
  		buildingFunction.accept(builder);
  		return builder.build();
  	}