pandora-metrics/dist/client/CachedMetricSet.d.ts

## Overview

import { MetricSet } from '../common/MetricSet';
import { Mutex } from '../util/Mutex';
export declare abstract class CachedMetricSet extends MetricSet {
    static DEFAULT_DATA_TTL: number;
    dataTTL: any;
    lastCollectTime: any;
    mutex: Mutex;
    constructor(dataTTL?: any);
    /**
     * Do not collect data if our cached copy of data is valid.
     * The purpose is to minimize the cost to collect system metric.
     */
    refreshIfNecessary(): Promise<void>;
    abstract getValueInternal(): any;
}