/// <reference types="node" />
import { EventEmitter } from 'events';
import { SimplexStream, TransformStreamDuplex } from './streams';
import { TtyProps } from './bits/tty';
import { SignalVector, ChildProcessQueue } from './bits/proc';
import { ExecCore, ExecCoreOptions } from './exec';
import { SharedVolume } from './services/shared-fs';
declare abstract class ProcessBase extends EventEmitter {
    opts: ProcessStartupOptions;
    stdin: TransformStreamDuplex<string, BufferSource>;
    stdout: TransformStreamDuplex<BufferSource, string>;
    stdin_raw: SimplexStream;
    tty: TtyProps;
    sigvec: SignalVector;
    childq: ChildProcessQueue;
    exited: boolean;
    constructor(opts: ProcessStartupOptions);
    abstract exec(wasm: string, argv?: string[]): void;
    waitFor(): Promise<unknown>;
    reset(): void;
    setupEncoder(): boolean;
}
/**
 * Suitable for running a WASI process in a Web Worker or
 * a Node.js worker thread.
 */
declare class WorkerProcess extends ProcessBase {
    worker: Worker;
    constructor(wasm: string, opts?: ProcessStartupOptions);
    mountFs(volume: SharedVolume): this;
    exec(wasm: string, argv?: string[]): void;
}
declare class BareProcess extends ProcessBase {
    core: ExecCore;
    constructor(wasm: string, opts?: ProcessStartupOptions);
    exec(wasm: string, argv?: string[]): Promise<void>;
}
declare type ProcessStartupOptions = ExecCoreOptions & {
    argv?: string[];
};
export { ProcessBase, WorkerProcess, BareProcess, ProcessStartupOptions };