import { Book, BookFile, BookFormat, BookInfo } from './dto';
export declare function searchBooks(text: string, limit?: number): Promise<Book[]>;
export declare function searchByAuthor(text: string, limit?: number): Promise<Book[]>;
export declare function getBookInfo(id: number): Promise<BookInfo | undefined>;
export declare function downBook(id: string, format?: BookFormat): Promise<BookFile>;
export declare function getUrl(id: string, format?: BookFormat): string;