/// <reference types="node" />
import { ChildProcess, ForkOptions } from 'child_process';
import { EPSProcessName } from '../types/eps-process-types';
import { EPSProcess } from './eps-process';
export declare type EPSProcessInfo = {
    name: string;
    pid: number;
    process?: object;
};
export default class EPSProcessManager extends EPSProcess {
    private processes;
    constructor();
    fork(epsProcessName: EPSProcessName, path: string, args: string[], forkOptions?: ForkOptions): ChildProcess;
    protected init(): void;
    protected runHandler(): EPSProcess;
    protected initProcessEvents(): void;
    protected stopHandler(): Error;
    private checkProcesses;
    addPID(pid: number, name?: string): EPSProcessInfo[];
    stopProcess(pid: number): EPSProcessInfo[];
    private stopAllProcesses;
    /**
     * processExists provides a mechanism to check whether a pid is an active process.
     * Advantage of this is that it does not require a separate executable to work.
     * The 3PL `processExists` has a dependency on fastlist, which on windows requires
     * fastlist.exe. Bundling the fastlist executable with the EPS executable is not
     * simple on Windows, so replacing 3PL solution with this fn avoids that dependency.
     */
    processExists(pid: number): boolean;
}