import type { Channel } from '../../types';
/**
 * Subscribe to a private channel. Joins once the socket is ready, leaves on
 * unmount. Returns `null` until the channel is joined.
 *
 * @example
 * const chat = useChannel('chat:room_123');
 * const message = useSocketEvent('chat:room_123:message');
 * chat?.send('message', { text: 'Hello' });
 */
export declare function useChannel(name: string, options?: {
    auth?: boolean;
}): Channel | null;
/**
 * Subscribe to server-side topics. Subscribes once the socket is ready,
 * unsubscribes on unmount.
 *
 * @example
 * useTopics(['notifications:orders', 'notifications:payments']);
 */
export declare function useTopics(topics: string[], options?: {
    auth?: boolean;
}): void;
/**
 * Enable browser push notifications for an event. Activates once the socket is
 * ready, cleans up on unmount.
 *
 * @example
 * usePush('order.created', {
 *   title: (order) => `New Order #${order.id}`,
 *   body: (order) => `$${order.total}`,
 * });
 */
export declare function usePush<T = unknown>(event: string, config: {
    title: string | ((data: T) => string);
    body?: string | ((data: T) => string);
    icon?: string;
    tag?: string | ((data: T) => string);
    leaderOnly?: boolean;
    onlyWhenHidden?: boolean;
    onClick?: (data: T) => void;
}): void;