/**
 * Get current Unix timestamp in seconds
 * @returns number - Current Unix timestamp
 */
export declare function unixTimestamp(): number;
/**
 * Get a random special character
 * @returns string - Random special character
 */
export declare function getRandomSpecialCharacter(): string;
/**
 * Shuffle an array using Fisher-Yates algorithm
 * @param array - Array to shuffle
 * @returns T[] - Shuffled array
 */
export declare function shuffleArray<T>(array: T[]): T[];
export declare function canonicalJSONStringify(obj: any): string;
//# sourceMappingURL=utils.d.ts.map