/** Result shape kept stable for consumers (same fields as previous `phone` package integration). */
export interface PhoneValidationResult {
    isValid: boolean;
    phoneNumber: string | null;
    countryIso2: string | null;
    countryIso3: string | null;
    countryCode: string | null;
}
export declare function validatePhoneNumber(nationalNumber: string, countryIso2: string): PhoneValidationResult;
/** `null` when empty, otherwise whether the number is valid for the selected country. */
export declare function getPhoneValidationState(nationalNumber: string, countryIso2: string): boolean | null;