/// <reference types="node" />
import { ExecOptions } from 'child_process';
export declare type ShellOption = {
    show?: boolean;
    async?: boolean;
    fatal?: boolean;
    silent?: boolean;
    encoding?: string;
} & ExecOptions;
export declare const defaultShellOption: {
    async: boolean;
    silent: boolean;
};
export default function shell(command: string, options?: ShellOption): Promise<string>;