import { Events } from '../../shared/utils';
import { ChannelManager } from './manager';
import { SessionManager } from '../../core/client/session';
import { ClientRegistry } from '../../core/client/registry';
export declare class SubscriptionService extends Events {
    private channelManager;
    private sessionManager;
    private clientRegistry;
    constructor(channelManager: ChannelManager, sessionManager: SessionManager, clientRegistry: ClientRegistry);
    subscribe(socketId: string, channel: string, filterOptions?: string[]): boolean;
    unsubscribe(socketId: string, channel: string): boolean;
    unsubscribeFromAll(socketId: string): string[];
}