, * tags: list, * path: list|null * } */ public function toArray($request): array { return [ 'book' => $this->resource['book'], 'book_id' => $this->resource['book_id'], 'title' => $this->resource['title'], 'cs_para' => $this->resource['cs_para'], 'para' => $this->resource['para'], 'tags' => $this->resource['tags'], 'path' => $this->resource['path'], ]; } }