///
import { exec as _exec, SpawnOptionsWithoutStdio } from 'child_process';
export declare const exec: typeof _exec.__promisify__;
export declare function spawn(options: {
cmd: string;
args?: string[];
options?: SpawnOptionsWithoutStdio;
on_stdout?: (chunk: any) => void;
on_stderr?: (chunk: any) => void;
on_error?: (error: any) => void;
}): Promise;