/**
 * Path of the flag file of `iso`, relative to the component, as `getAssetPath` expects it. The
 * files are named by the lower-case ISO 3166-1 alpha-2 code.
 * `test/mud-phone-input.flags.spec.ts` fails for a country in `COUNTRIES` that has no file.
 */
export declare const flagAssetPath: (iso: string) => string;
/**
 * URL of the flag of `iso`, or `undefined` when the component has no asset base to resolve it
 * against. `getAssetPath` throws outside a lazy-bundle host (a spec, a standalone import); the
 * flag then renders as an empty box rather than failing the render.
 */
export declare const flagUrl: (iso: string) => string | undefined;