import { DataValue, TimestampsToReturn } from "node-opcua-data-value";
import { MonitoringMode } from "node-opcua-types";
import { ReadValueIdOptions, MonitoringParametersOptions, CreateSubscriptionRequestOptions } from "node-opcua-types";
import { IBasicSessionAsync } from "./basic_session_interface";
export interface IBasicMonitoredItem {
    on(eventName: "changed", eventHandler: (dataValue: DataValue) => void): this;
    once(eventName: "changed", eventHandler: (dataValue: DataValue) => void): this;
}
export interface IBasicSubscription {
    subscriptionId: number;
    _createMonitoredItem(itemToMonitor: ReadValueIdOptions, monitoringParameters: MonitoringParametersOptions, timestampsToReturn: TimestampsToReturn): IBasicMonitoredItem;
    monitor(itemToMonitor: ReadValueIdOptions, requestedParameters: MonitoringParametersOptions, timestampsToReturn: TimestampsToReturn, monitoringMode?: MonitoringMode): Promise<IBasicMonitoredItem>;
    terminate(): Promise<void>;
}
export interface IBasicSessionEx extends IBasicSessionAsync {
    requestedMaxReferencesPerNode: number;
    isReconnecting: boolean;
    createSubscription2(createSubscriptionRequest: CreateSubscriptionRequestOptions): Promise<IBasicSubscription>;
}