/**
 * Additional validator for the Container component type.
 * @param {*} data the form data
 * @param {*} component the container component
 * @returns true if the user has entered data into at least one component within the collection
 * otherwise returns false
 */
declare const mustEnterAtLeastOne: (data: any, _: any, component: any) => any;
export default mustEnterAtLeastOne;