public function cuckooFilterInsert(string $key, array $items, array $options = []): array
    {
        $this->validateArrayOfScalars($items, sprintf("%s params", BloomCommands::CF_INSERT));
        $parsedOptions = $this->parseRequest(BloomCommands::CF_INSERT, $options);
        $items = array_merge([OptionalParams::ITEMS], $items);