protected function handleRequest(): void
    {
        $validator = Validator::make(
            $this->getAttribute('request')->only('rowsNumber', 'search', 'sortBy', 'sortDir'),
            [
                'rowsNumber' => 'required|numeric',
                'search'     => 'nullable|string',
                'sortBy'     => 'nullable|string|in:' . $this->getAttribute('columns')->implode('attribute', ','),
                'sortDir'    => 'nullable|string|in:asc,desc',
            ]
        );
        if ($validator->fails()) {
            $this->getAttribute('request')->merge([
                'rowsNumber' => $this->getAttribute('rowsNumber')
                    ? $this->getAttribute('rowsNumber')
                    : config('tablelist.value.rows_number'),
                'search'     => null,
                'sortBy'     => $this->getAttribute('sortBy'),
                'sortDir'    => $this->getAttribute('sortDir'),
            ]);
        } else {
            $this->setAttribute('rowsNumber', $this->getAttribute('request')->rowsNumber);
            $this->setAttribute('search', $this->getAttribute('request')->search);
        }
    }