/**
 * string, buffer comparison in length-constant time
 * @see https://codahale.com/a-lesson-in-timing-attacks/
 *
 * @param {string} a - string from input
 * @param {string} b - string to compare with `a`
 * @return {boolean} true if strings match
 */
export declare function timingSafeEqual(a: string, b: string): boolean;
export default timingSafeEqual;
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