code: @Nonnull
  	public static <T1, T2> LToLongBiFunctionBuilder<T1, T2> toLongBiFunction(Consumer<LToLongBiFunction<T1, T2>> consumer) {
  		return new LToLongBiFunctionBuilder(consumer);
  	}
docs: One of ways of creating builder. This might be the only way (considering all _functional_ builders) that might be utilize to specify generic params only once.