src/BTR/RedisObjects/RedisList.php
public function rpush($value, ...$values): ?int
    {
        array_unshift($values, $value);

        return $this->redis->rpush($this->key, $this->serializeArray($values));
    }
public function rpush($value, ...$values): ?int
    {
        array_unshift($values, $value);

        return $this->redis->rpush($this->key, $this->serializeArray($values));
    }
@param mixed $value First value to be inserted.
@param array<int, mixed> $values,... More values to be inserted.

@return int|null The length of the list after the push operations.