/// <reference types="node" />
/// <reference types="node" />
/// <reference types="node" />
import { EventEmitter } from 'events';
import { spawn, exec as sh } from 'child_process';
export interface ExecOutput {
    ok: boolean;
    code: number;
    stdout: string;
    stderr: string;
    error?: Error;
}
export type ExecOptions = Parameters<typeof spawn>[2];
export type ShOptions = Parameters<typeof sh>[2];
export declare class Process extends EventEmitter {
    protected childProcess: ReturnType<typeof spawn>;
    code: number;
    completed: boolean;
    error: Error;
    get hasError(): boolean;
    constructor(childProcess: ReturnType<typeof spawn>);
    set stdout(value: Buffer);
    set stderr(value: Buffer);
    private _outputBuffer;
    private _errorBuffer;
    private stdoutDecoder;
    private stderrDecoder;
    complete(): void;
    get output(): ExecOutput;
}
export declare function execString(command: string, options?: ShOptions): Promise<ExecOutput>;
export declare function exec(command: string, args?: string[], options?: ExecOptions): Promise<ExecOutput>;