/**
 * Notifications Stream Endpoint
 *
 * Stream endpoint for IN_APP notification real-time events.
 * Handles notification lifecycle events (created, read, unread, deleted).
 *
 * NOTE: This endpoint handles IN_APP notifications only (bell icon notifications).
 * Email, SMS, and Push notification delivery is handled by @plyaz/notifications package.
 *
 * @example
 * ```typescript
 * // Register in StreamRegistry
 * await StreamRegistry.initialize({
 *   broadcaster: streamServer.getBroadcaster(),
 *   endpoints: [
 *     { endpoint: NotificationsStreamEndpoint, config: { enabled: true } },
 *   ],
 * });
 * ```
 */
import { BaseStreamEndpoint } from '../../../events/streaming/base/BaseStreamEndpoint';
import type { BaseChannelController } from '../../../events/streaming/channels/BaseChannelController';
import type { StreamEndpointConfig, StreamEndpointCreateOptions } from '@plyaz/types/core';
/**
 * NotificationsStreamEndpoint - Handles IN_APP notification streaming events
 *
 * Channels managed:
 * - `notification:{notificationId}` - Per-notification updates
 * - `user:notifications:{userId}` - All notifications for a specific user
 * - `notifications` - Broadcast channel for all notifications (current user)
 * - `notifications:unread` - Broadcast channel for unread notifications
 *
 * Events:
 * - `notification:created` - New in-app notification created
 * - `notification:read` - Notification marked as read
 * - `notification:unread` - Notification marked as unread
 * - `notification:deleted` - Notification deleted
 * - `notifications:batch` - Batch operations (e.g., mark all as read)
 */
export declare class NotificationsStreamEndpoint extends BaseStreamEndpoint {
    /** Static endpoint key for registry lookup */
    static readonly endpointKey = "notifications";
    /**
     * Create channel controller for this endpoint.
     */
    protected createChannelController(): BaseChannelController;
    /**
     * Initialize event subscriptions.
     * Called by StreamRegistry during initialization.
     */
    initialize(): void;
    /**
     * Static factory method for creating endpoint instances.
     *
     * @param config - Endpoint configuration
     * @param options - Create options (broadcaster, auth, etc.)
     * @returns Promise resolving to endpoint instance
     */
    static create(config: StreamEndpointConfig, options: StreamEndpointCreateOptions): Promise<NotificationsStreamEndpoint>;
}
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