import { ChopUrlConfig, UrlInfo } from './types';
/**
 * ChopUrl - A URL shortening library
 */
export declare class ChopUrl {
    private baseUrl;
    private db;
    constructor(config: ChopUrlConfig);
    /**
     * Creates a short URL for the given original URL
     * @throws {ChopUrlError} If the URL is invalid or database operation fails
     */
    createShortUrl(url: string): Promise<UrlInfo>;
    /**
     * Retrieves the original URL for a given short ID
     * @throws {ChopUrlError} If the URL is not found or database operation fails
     */
    getOriginalUrl(shortId: string): Promise<string>;
    /**
     * Gets detailed information about a shortened URL
     * @throws {ChopUrlError} If the URL is not found or database operation fails
     */
    getUrlInfo(shortId: string): Promise<UrlInfo>;
    private validateConfig;
    private validateUrl;
    private validateShortId;
    private generateShortId;
}