/** Maximum edit distance for suggesting "Did you mean?" in error messages */
export declare const SUGGESTION_THRESHOLD = 3;
/**
 * Finds the candidate with the smallest Levenshtein distance to the input.
 * Used to enhance "not found" errors with "Did you mean 'X'?" when distance <= SUGGESTION_THRESHOLD.
 *
 * @param input - The string that was not found
 * @param candidates - Array of valid candidates to match against
 * @param getLabel - Function to extract the label string from each candidate
 * @returns The best match and its distance, or undefined if candidates is empty
 * @internal
 */
export declare function findBestMatch<T>(input: string, candidates: readonly T[], getLabel: (c: T) => string): {
    best: T;
    distance: number;
} | undefined;