import { Repository } from 'typeorm';
import { PushSubscription } from './entities/push-subscription.entity';
export declare class PushService {
    private readonly subRepo;
    private readonly logger;
    constructor(subRepo: Repository<PushSubscription>);
    subscribe(userId: number, subscription: any): Promise<void>;
    sendToUsers(userIds: number[], payload: object): Promise<void>;
}