/**
 * LocalSecret Generator
 *
 * Generates cryptographically secure LocalSecrets.
 * Issue #1649
 */
/**
 * Generate a new LocalSecret
 *
 * Uses the Web Crypto API's getRandomValues for cryptographically
 * secure random number generation.
 *
 * @returns 32-byte (256-bit) random LocalSecret
 */
export declare function generateLocalSecret(): Uint8Array;
/**
 * Generate a unique device ID
 *
 * Used to identify devices for LocalSecret management.
 *
 * @returns UUID v4 string
 */
export declare function generateDeviceId(): string;