import type { WakeState } from './types.js';
/** Default owner ID for single-user backward compatibility. */
declare const DEFAULT_OWNER = "default";
/** Get or create the server-level encryption key. */
declare function getServerKey(): Promise<string>;
/** Load state for an owner. Returns null if not found. */
declare function loadState(ownerId?: string): Promise<WakeState | null>;
/** Save state for an owner. Auto-backs up previous state. */
declare function saveState(state: WakeState, ownerId?: string): Promise<void>;
/** Check if a will exists for an owner. */
declare function willExists(ownerId?: string): boolean;
export { loadState, saveState, willExists, getServerKey, DEFAULT_OWNER };