import type { PromptFn, VlxOptions } from './index.ts';
/**
 * Figure out the `arg0` to use for an exec command.
 *
 * If `undefined` is returned, then the caller should spawn an interactive
 * shell, or in multi-workspace mode, raise an error.
 */
export declare const vlxResolve: (positionals: string[], options: VlxOptions, promptFn?: PromptFn) => Promise<undefined | string>;