/**
 * @module botbuilder-applicationinsights
 */
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
import * as appInsights from 'applicationinsights';
import { BotTelemetryClient, BotPageViewTelemetryClient, TelemetryDependency, TelemetryEvent, TelemetryException, TelemetryTrace, TelemetryPageView } from 'botbuilder-core';
export declare const ApplicationInsightsWebserverMiddleware: any;
/**
 * This is a wrapper class around the Application Insights node client.
 * This is primarily designed to be used alongside the WaterfallDialog telemetry collection.
 * It provides a pre-configured App Insights client, and wrappers around
 * the major tracking functions, allowing it to conform to Botbuilder's generic BotTelemetryClient interface.
 * To use it, create pass in an instrumentation key:
 *
 * ```
 * const myDialog = new WaterfallDialog('my_dialog', steps);
 * const appInsightsClient = new ApplicationInsightsTelemetryClient(my_instrumentation_key);
 * myDialog.telemetryClient = appInsightsClient;
 * ```
 */
export declare class ApplicationInsightsTelemetryClient implements BotTelemetryClient, BotPageViewTelemetryClient {
    private client;
    private config;
    /**
     * Creates a new instance of the
     * [ApplicationInsightsTelemetryClient](xref:botbuilder-applicationinsights.ApplicationInsightsTelemetryClient)
     * class.
     *
     * @param connectionString The ApplicationInsights connection string.
     *
     * @remarks The settings parameter is passed directly into appInsights.setup().
     * https://www.npmjs.com/package/applicationinsights#basic-usage
     */
    constructor(connectionString: string);
    /**
     * Creates a new instance of the
     * [ApplicationInsightsTelemetryClient](xref:botbuilder-applicationinsights.ApplicationInsightsTelemetryClient)
     * class.
     *
     * @param instrumentationKey The ApplicationInsights instrumentation key.
     *
     * @remarks The settings parameter is passed directly into appInsights.setup().
     * https://www.npmjs.com/package/applicationinsights#basic-usage
     */
    constructor(instrumentationKey: string);
    private toJSON;
    /*
    * Provides access to the Application Insights configuration that is running here.
    * Allows developers to adjust the options, for example:
    * `appInsightsClient.configuration.setAutoCollectDependencies(false)`
    *
    * @returns app insights configuration
    */
    readonly configuration: appInsights.Configuration;
    /*
    * Provides direct access to the telemetry client object, which might be necessary for some operations.
    *
    * @returns app insights telemetry client
    */
    readonly defaultClient: appInsights.TelemetryClient;
    /**
     * Sends information about an external dependency (outgoing call) in the application.
     *
     * @param telemetry The [TelemetryDependency](xref:botbuilder-core.TelemetryDependency) to track.
     */
    trackDependency(telemetry: TelemetryDependency): void;
    /**
     * Logs custom events with extensible named fields.
     *
     * @param telemetry The [TelemetryEvent](xref:botbuilder-core.TelemetryEvent) to track.
     */
    trackEvent(telemetry: TelemetryEvent): void;
    /**
     * Logs a system exception.
     *
     * @param telemetry The [TelemetryException](xref:botbuilder-core.TelemetryException) to track.
     */
    trackException(telemetry: TelemetryException): void;
    /**
     * Sends a trace message.
     *
     * @param telemetry The [TelemetryTrace](xref:botbuilder-core.TelemetryTrace) to track.
     */
    trackTrace(telemetry: TelemetryTrace): void;
    /**
     * Logs a dialog entry as an Application Insights page view.
     *
     * @param telemetry The [TelemetryPageView](xref:botbuilder-core.TelemetryPageView) to track.
     */
    trackPageView(telemetry: TelemetryPageView): void;
    /**
     * Flushes the in-memory buffer and any metrics being pre-aggregated.
     */
    flush(): void;
}
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