import { IFirebase, NotificationParams, SendToTopicParams, SubscribeParams, SendAllParams } from './types/firebase.interfaces';
import { Promise } from 'bluebird';
import { SentryService } from '../../modules/sentry';
import { Logger as WinstonLogger } from 'winston';
import { Sequelize } from 'sequelize-typescript';
export declare class FirebaseService implements IFirebase {
    private readonly winstonLogger;
    private sentry;
    private sequelize;
    private logger;
    constructor(winstonLogger: WinstonLogger, sentry: SentryService, sequelize: Sequelize);
    sendPushNotification(obj: NotificationParams): Promise<any>;
    sendToTopic(obj: SendToTopicParams): Promise<any>;
    subscribeToTopic(obj: SubscribeParams): Promise<any>;
    unsubscribeFromTopic(obj: SubscribeParams): Promise<any>;
    sendAll(notifications: SendAllParams[]): Promise<any>;
}