import { IGunInstance } from 'gun';
export interface PresenceInfo {
    id: string;
    lastSeen: number;
}
/**
 * A React hook to track user presence within a specific scope.
 *
 * @param scope - A string to namespace the presence data.
 * @param gunInstance - Optional Gun instance. If not provided, uses context.
 * @returns An array of `PresenceInfo` objects for all active users.
 */
export declare function useGunPresence(scope: string, gunInstance?: IGunInstance): PresenceInfo[];