/**
 * A utility function that returns a [UUID (Universally Unique Identifier)](https://www.cockroachlabs.com/blog/what-is-a-uuid/) string.
 *
 * @remarks
 * This function generates a random UUID (Universally Unique Identifier) using a cryptographically secure pseudo-random number generator.
 *
 * This implementation was based on https://github.com/lukeed/uuid.
 *
 * @example
 * ```typescript
 * // Generate a UUID string
 * const id = uuid();
 * // => "f47ac10b-58cc-4372-a567-0e02b2c3d479"
 * ```
 *
 * @returns A UUID unique identifier.
 */
export declare function uuid(): string;