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