import { oObject } from '../o-object.js';
import { oNotificationEvent } from './events/o-notification-event.js';
import { EventFilter, NotificationHandler, Subscription } from './interfaces/notification-types.js';
/**
 * Abstract notification manager - transport agnostic
 * NO dependencies on libp2p, HTTP, or any specific transport
 *
 * Subclasses implement setupListeners() to wire up transport-specific events
 */
export declare abstract class oNotificationManager extends oObject {
    private eventTarget;
    private subscriptions;
    constructor();
    /**
     * Subscribe to a notification event
     *
     * @param eventType - The event type to subscribe to (e.g., "node:connected", "child:joined")
     * @param handler - The handler function to call when event is emitted
     * @param filter - Optional filter to apply to events
     * @returns Subscription handle
     */
    on(eventType: string, handler: NotificationHandler, filter?: EventFilter): Subscription;
    /**
     * Unsubscribe from a notification event
     */
    off(subscription: Subscription): void;
    /**
     * Emit a notification event
     */
    emit(event: oNotificationEvent): void;
    /**
     * Check if an event matches a filter
     */
    protected matchesFilter(event: oNotificationEvent, filter: EventFilter): boolean;
    /**
     * Get all active subscriptions for an event type
     */
    getSubscriptions(eventType?: string): Subscription[];
    /**
     * Get count of active subscriptions
     */
    getSubscriptionCount(eventType?: string): number;
    /**
     * Subclasses must implement this to wire up transport-specific listeners
     * This is where libp2p/HTTP/WebSocket events get connected
     */
    protected abstract setupListeners(): void | Promise<void>;
    /**
     * Initialize the notification manager
     * Calls setupListeners() to wire up transport events
     */
    initialize(): Promise<void>;
    /**
     * Cleanup all subscriptions
     */
    teardown(): Promise<void>;
}
//# sourceMappingURL=o-notification.manager.d.ts.map