/**
 * @internal Random helpers shared by document generators.
 *
 * Intended for producing test fixtures — not a cryptographic source.
 */
/** Returns a random integer in the inclusive range [min, max]. */
export declare function randomInt(min: number, max: number): number;
/** Returns a string of `length` random digits, keeping an optional fixed prefix. */
export declare function randomDigits(length: number, prefix?: string): string;