export declare const DEFAULT_SEED_PARAM = "seed";
/** @internal */
export declare function withSeedParam(url: string, seed: string | number, param?: string): string;
/** @internal */
export declare function seedFromSearch(search: string, param?: string): string | null;
/** @internal */
export declare function seedFromUrl(url: string, param?: string): string | null;
/** @internal */
export declare function dailySeed(nowMs: number, salt?: string): string;