/*!
 * Copyright (c) Microsoft Corporation and contributors. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Helper class for tracing performance of events
 * Time measurements are in milliseconds as a floating point with a decimal
 *
 * @deprecated Moved to the `@fluidframework-internal/client-utils` package.
 * @internal
 */
export declare class Trace {
    readonly startTick: number;
    static start(): Trace;
    protected lastTick: number;
    protected constructor(startTick: number);
    trace(): ITraceEvent;
}
/**
 * Event in a performance trace including time elapsed.
 *
 * @deprecated Moved to the `@fluidframework-internal/client-utils` package.
 * @internal
 */
export interface ITraceEvent {
    /**
     * Total time elapsed since the start of the Trace.
     * Measured in milliseconds as a floating point with a decimal
     */
    readonly totalTimeElapsed: number;
    /**
     * Time elapsed since the last trace event.
     * Measured in milliseconds as a floating point with a decimal
     */
    readonly duration: number;
    /**
     * This number represents a relative time which should
     * be consistent for all trace ticks.
     */
    readonly tick: number;
}
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