/**
 * cuid.js
 * Collision-resistant UID generator for browsers and node.
 * Sequential for fast db lookups and recency sorting.
 * Safe for element IDs and server-side lookups.
 *
 * Extracted from CLCTR
 *
 * Copyright (c) Eric Elliott 2012
 * MIT License
 */
export declare function pad(num: string, size: number): string;
export declare function fingerprint(): string;
export declare function cuid(): string;
export declare namespace cuid {
    var slug: () => string;
    var isCuid: (stringToCheck: string) => boolean;
    var isSlug: (stringToCheck: string) => boolean;
    var fingerprint: typeof import("./cuid").fingerprint;
}