/**
 * Remove quotes around given string.
 *
 * @param {string} string
 * @returns {string}
 */
export declare function unquote(string: string): string;
/**
 * Show starting and ending whitespace around given string.
 *
 * @param {string} string
 * @returns {string}
 */
export declare function showSpaces(string: string): string;