/**
 * @file A Unique Identifier Generator for Node
 * @author Adam Mill <hismajesty@theroyalwhee.com>
 * @copyright Copyright 2021-2022 Adam Mill
 * @license Apache-2.0
 */
/**
 * General.
 * @private
 */
export declare const HMAC_ALGO = "sha256";
/**
 * Size constants.
 * @private
 */
export declare const ID_SIZE = 8;
export declare const RND_SIZE = 8;
export declare const VERIFY_SIZE = 2;
export declare const SIGN_SIZE = 4;
export declare const ALL_SIZE: number;
/**
 * Validation regexp.
 * @private
 */
export declare const re_strict: RegExp;
export declare const re_lax: RegExp;