import { EventEmitter } from "../polyfills/events";
import type { MainToWorkerMessage, SpawnConfig, MainToWorker_Init, MainToWorker_Exec } from "./worker-protocol";
export type ProcessState = "starting" | "running" | "exited";
export declare class ProcessHandle extends EventEmitter {
    readonly pid: number;
    readonly worker: Worker;
    readonly command: string;
    readonly args: string[];
    readonly parentPid?: number;
    private _state;
    private _exitCode;
    private _stdout;
    private _stderr;
    private _exitHoldCount;
    private _deferredExit;
    private _shellDoneHoldCount;
    private _deferredShellDone;
    private _syncBlockedCount;
    get workerExited(): boolean;
    get shellCommandDone(): boolean;
    get syncBlocked(): boolean;
    holdSync(): void;
    releaseSync(): void;
    get stdout(): string;
    get stderr(): string;
    get state(): ProcessState;
    get exitCode(): number | undefined;
    constructor(worker: Worker, config: SpawnConfig);
    _setPid(pid: number): void;
    postMessage(msg: MainToWorkerMessage, transfer?: Transferable[]): void;
    init(initMsg: MainToWorker_Init): void;
    exec(execMsg: MainToWorker_Exec): void;
    sendStdin(data: string): void;
    kill(signal?: string): void;
    resize(cols: number, rows: number): void;
    holdExit(): void;
    releaseExit(): void;
    holdShellDone(): void;
    releaseShellDone(): void;
    private _terminate;
    private _setupWorkerListeners;
}