import { DataSource, EntitySubscriberInterface, RemoveEvent, UpdateEvent } from 'typeorm';
import { DeviceEntity } from '../entities/devices.entity';
import { DeviceConnectionStateService } from '../services/device-connection-state.service';
export declare class DeviceEntitySubscriber implements EntitySubscriberInterface<DeviceEntity> {
    private readonly deviceStatusService;
    private readonly dataSource;
    private readonly logger;
    constructor(deviceStatusService: DeviceConnectionStateService, dataSource: DataSource);
    listenTo(): typeof DeviceEntity;
    afterLoad(entity: DeviceEntity): Promise<void>;
    beforeUpdate(event: UpdateEvent<DeviceEntity>): void;
    afterRemove(event: RemoveEvent<DeviceEntity>): Promise<void>;
}