/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
import { ITelemetryBaseEvent, ITelemetryBaseLogger, ITelemetryErrorEvent, ITelemetryGenericEvent, ITelemetryLogger, ITelemetryPerformanceEvent } from "@fluidframework/common-definitions";
/**
 * Null logger
 * It can be used in places where logger instance is required, but events should be not send over.
 * @deprecated BaseTelemetryNullLogger has been moved to the \@fluidframework/telemetry-utils package.
 * @internal
 */
export declare class BaseTelemetryNullLogger implements ITelemetryBaseLogger {
    /**
     * Send an event with the logger
     *
     * @param event - the event to send
     */
    send(event: ITelemetryBaseEvent): void;
}
/**
 * Null logger
 * It can be used in places where logger instance is required, but events should be not send over.
 * @deprecated TelemetryNullLogger has been moved to the \@fluidframework/telemetry-utils package.
 * @internal
 */
export declare class TelemetryNullLogger implements ITelemetryLogger {
    send(event: ITelemetryBaseEvent): void;
    sendTelemetryEvent(event: ITelemetryGenericEvent, error?: any): void;
    sendErrorEvent(event: ITelemetryErrorEvent, error?: any): void;
    sendPerformanceEvent(event: ITelemetryPerformanceEvent, error?: any): void;
}
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