/**
 * convert a string into a url friendly version
 * @param str
 */
export default function toFriendlyUrl(str: string): string;
/**
 * convert a string into a url friendly version
 * @param str
 * @param noTrim if true, it will leave hyphens (-) on the
 *               start and end of the url. You probably will
 *               never want this.
 */
export default function toFriendlyUrl(str: string, noTrim: boolean): string;