import type { Parser } from "../parser-types";
export declare function defaulted<T>(parser: Parser<T>, fallback: (missingValue: null | undefined) => NoInfer<T>): Parser<T>;
/**
 * Similar to defaulted, but specifically handles empty strings as invalid.
 *
 * @param fallback Function that generates a fallback value for empty/missing strings
 * @returns Parser that validates non-empty strings or uses fallback
 */
export declare function defaultedNonEmptyString(fallback: () => string): Parser<string>;