import { Response } from "./response.js";
/**
 * Logger class
 */
export declare class Logger {
    /**
     * output/log given data
     * @param post request string used
     * @param r Response object
     * @param error error message or null
     * @return current Logger instance for method chaining
     */
    log(post: string, r: Response, error?: string | null): Logger;
}