import { ObjectShape } from 'yup/lib/object';
import { TReferenceProps } from '../../..';
import { IObjectProps, TObjectValidatorResult } from '../_types';
export interface IIsRequiredProps {
}
/**
 * Check if the `object` is defined.
 */
export declare const isRequired: <T extends ObjectShape = {}>(props?: TReferenceProps<IIsRequiredProps> & IObjectProps) => TObjectValidatorResult<T, import("../../../i18n/placeholder").IIntlShapeRich>;