/**
 * @alpha
 */
export interface ITelemetryData {
    /**
     * Command name
     * @example clone
     */
    readonly commandName: string;
    /**
     * Argument list
     */
    readonly args: string[];
    /**
     * Duration in seconds
     */
    readonly durationInSeconds: number;
    /**
     * A timestamp in milliseconds (from `performance.now()`) when the operation started.
     * If the operation was blocked, will be `undefined`.
     */
    readonly startTimestampMs?: number;
    /**
     * A timestamp in milliseconds (from `performance.now()`) when the operation finished.
     * If the operation was blocked, will be `undefined`.
     */
    readonly endTimestampMs?: number;
    /**
     * Indicates raw git command
     */
    readonly isRawGitCommand?: boolean;
}
/**
 * @alpha
 */
export type ICollectTelemetryFunction = (data: ITelemetryData) => Promise<void>;
/**
 * A help class to collect telemetry. The way to collect data is specified during launch Sparo.
 * NOTE: In this release version, we do NOT upload any telemetry data. It's under test internally
 *  and the API will be refactored to meet generic requirements later.
 */
export declare class TelemetryService {
    private _tasks;
    private _collectTelemetryAsyncMaybe;
    /**
     * This is a sync function. Collecting telemetry should not block anything.
     * In the end of process, "ensureCollectedAsync" should be called.
     */
    collectTelemetry(data: ITelemetryData): void;
    ensureCollectedAsync(): Promise<void>;
    setCollectTelemetryFunction(fn: ICollectTelemetryFunction): void;
}
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