import { BaseNotificationService } from '../base/base-notification.service';
import { NOTIFICATION_TYPE } from '../notification.interface';
import { DeviceGroupFCMNotificationService } from './device-group/device-group-fcm-notification.service';
import { TopicFCMNotificationService } from './topic/topic-fcm-notification.service';
export declare class FCMNotificationService extends BaseNotificationService {
    readonly topic: TopicFCMNotificationService;
    readonly deviceGroup: DeviceGroupFCMNotificationService;
    protected readonly logger: any;
    constructor(topic: TopicFCMNotificationService, deviceGroup: DeviceGroupFCMNotificationService);
    protected type: NOTIFICATION_TYPE;
}