export declare const stdout: (opts?: { print?: boolean | undefined; stripColor?: boolean | undefined; }) => { run(ctx: { readonly stdout: string; }): void; finally(): void; }; export declare const stderr: (opts?: { print?: boolean | undefined; stripColor?: boolean | undefined; }) => { run(ctx: { readonly stderr: string; }): void; finally(): void; }; export declare const stdin: (input: string, delay?: number) => { run: () => void; finally(): void; };