export declare const spawn: ({ command, cwd, args, env, stdout, silentOut, silentErrors }: {
    command: string;
    cwd?: string;
    args?: readonly string[];
    env?: NodeJS.ProcessEnv;
    stdout?: (output: string) => void;
    silentOut?: boolean;
    silentErrors?: boolean;
}) => Promise<number | null>;
export declare const execute: ({ command, args, env }: {
    command: string;
    args?: readonly string[];
    env?: NodeJS.ProcessEnv;
}) => Promise<number | null>;