protected function getSavedChunksFiles()
    {
        $chunkFileName = preg_replace(
            "/\.[\d]+\.".ChunkStorage::CHUNK_EXTENSION.'$/', '', $this->handler()->getChunkFileName()
        );

        return $this->chunkStorage->files(function ($file) use ($chunkFileName) {
            return false === str_contains($file, $chunkFileName);
        });
    }