export declare function formatUnknownCommandError(command: string, knownSubcommands: readonly string[]): string;
/**
 * Returns the candidate with the smallest edit distance to `value`, or
 * `undefined` when the nearest candidate's distance is strictly greater than
 * `maxDistance`. A candidate at exactly `maxDistance` is accepted. Callers
 * supply `maxDistance` so different suggestion surfaces can tune how forgiving
 * their typo matching is. Internal to `src/cli/`; not part of the public API.
 */
export declare function findNearestCandidate(value: string, candidates: readonly string[], maxDistance: number): string | undefined;