/**
 * Validates that a value is not nullish, which includes ensuring
 * a string isn't just whitespace, an array is not empty, etc.
 * @param {any} value The value to validate.
 * @param {string} label The label to use in any error message.
 * @returns An error if the value is nullish.
 */
declare const validateRequired: (value: any, label: any, customErrors: any) => any;
export default validateRequired;