/// <reference types="node" />
import { Logger } from 'embark-logger';
import { PerformanceObserver } from "perf_hooks";
export interface LongRunningProcessTimerOptions {
    showSpinner?: boolean;
    spinnerStyle?: string;
    interval?: number;
    longRunningThreshold?: number;
}
export default class LongRunningProcessTimer {
    private logger;
    private packageName;
    private version;
    private processStartingMsg;
    private processOngoingMsg;
    private processFinishedMsg;
    private options;
    private startMark;
    private ongoingMark;
    private downloadOngoing;
    private endMark;
    private downloadComplete;
    private spinner;
    private intOngoingDownload;
    private _observer;
    private static readonly DEFAULT_OPTIONS;
    constructor(logger: Logger, packageName: string, version: string, processStartingMsg: string, processOngoingMsg: string, processFinishedMsg: string, options?: LongRunningProcessTimerOptions);
    get observer(): PerformanceObserver;
    start(): void;
    end(): void;
    abort(): void;
}
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