/*!
 * Copyright (c) Microsoft. All rights reserved.
 */
import { LogLevel, TelemetryProperties } from "../../telemetryclient";
export declare const CORRELATION_VECTOR_TAG = "Correlation_Vector";
export declare const SDK_VERSION = "Sdk_Version";
export declare class TelemetryHelperBase {
    addCustomTelemetryProperties(properties?: TelemetryProperties, cv?: string): TelemetryProperties;
    logEvent(eventName: string, cv?: string, properties?: TelemetryProperties): void;
    logStartEvent(eventName: string): void;
    logStopEvent(eventName: string, cv?: string, properties?: TelemetryProperties): void;
    logMessage(message: string, cv?: string, properties?: TelemetryProperties, level?: LogLevel): void;
    logError(errorMessage: string, cv?: string, properties?: TelemetryProperties): void;
    logErrorAndThrow(error: string, cv?: string, properties?: TelemetryProperties): void;
    logException(exception: Error, cv?: string, properties?: TelemetryProperties, level?: LogLevel): void;
    logExceptionAndThrow(exception: Error, cv?: string, properties?: TelemetryProperties, level?: LogLevel): void;
    flush(): void;
}