/**
 * Format a string url with URL class
 *
 * @param url url to be reformed
 * @param includeProtocol validate url with or without protocol
 * @returns {URL | null} URL formatted object
 */
export declare function reformUrl(url: string, includeProtocol?: boolean): URL | null;
/**
 * validates a url using javascript regex
 *
 * @param url url to validate
 * @returns true / false whether a given url is valid
 */
export declare function isValidUrl(url: string): boolean;