/// <reference types="node" />
import { EventEmitter } from "events";
import { ProjectInfo } from "./types";
export declare class ProjectInfoServer extends EventEmitter {
    private last?;
    private readonly dbg;
    private running;
    private readonly testing;
    private ticks;
    private pagesize;
    private delay_s;
    constructor(testing?: boolean);
    latest(): ProjectInfo | undefined;
    private uptime;
    private stat;
    private dt;
    private cpu;
    private cmdline;
    private cocalc;
    private process;
    private processes;
    private cgroup;
    private disk_usage;
    private init;
    private get_info;
    stop(): void;
    start(): Promise<void>;
    private _start;
}