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