/**
 * PhoneField validation hook
 * Handles field subscriptions and error aggregation for composite field validation
 */
import type { ReactNode } from 'react';
import { type ResolvedPhoneFieldConfig } from './helpers';
/**
 * Use phone field validation in flat output mode
 * Subscribes to all relevant fields and aggregates errors
 */
export declare function usePhoneFieldValidation(flatOutput: boolean, fieldConfig: ResolvedPhoneFieldConfig, externalError?: ReactNode, helperText?: ReactNode): {
    hasError: boolean;
    helperTextToShow: string | number | true | import("react").ReactElement<any, string | import("react").JSXElementConstructor<any>> | Iterable<ReactNode> | null | undefined;
};
//# sourceMappingURL=usePhoneFieldValidation.d.ts.map