/**
 * Calculates an exponentially weighted moving average and rolling average
 * for CPU usage percentage. This keeps track of the % of overall OS CPU the
 * current process is using. Overall OS CPU is calculated with the sum of total CPU time
 * across ALL cores of the machine
 */
export declare class CPUMeter {
    private _average;
    private _current;
    private _intervalMs;
    private _started;
    private _interval;
    private _lastReading;
    constructor(refreshInterval: number);
    get current(): number;
    get rollingAverage(): number;
    start(): void;
    stop(): void;
    reset(): void;
    private recordCPUDataPoint;
    private totalCpuTime;
}
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