/// <reference types="node" />
import { EventEmitter } from 'events';
export interface TaskMonitorOptions {
    memoryLimit: number;
    remainingTimeFn: () => number;
    emitter: EventEmitter;
}
export declare class TaskMonitor {
    private memoryLimit;
    private getRemainingTime;
    private emit;
    private warnedTimeout;
    private lastReportedMemory;
    private highestMemory;
    constructor(opts: TaskMonitorOptions);
    collect(): void;
    start(): void;
    stop(): void;
    reset(): void;
    get maxMemoryUsed(): number;
    get running(): boolean;
}