declare const maxMonthDays: (month: any, year: any) => 29 | 28 | 30 | 31;
export { maxMonthDays };
/**
 * Checks if a date passed is a valid date.
 * This will validate for 'leap years', missing components, invalid day, month or year components.
 * EXAMPLE USE : const { message, propsInError } = validateDate('2-11-2020')
 *
 * Note that an empty string is not considered invalid. You should use
 * validateRequired (Validate.required) for that sort of validation.
 *
 * @param {string} date  date as a string
 * @returns an object with an error message and instructions for which parts of the date are in error
 * or undefined for both if the date is valid
 */
declare const validateDate: (date: any) => {
    message: undefined;
    propsInError: undefined;
} | {
    message: string;
    propsInError: {};
} | {
    message: string;
    propsInError: {
        day: boolean;
        month: boolean;
        year: boolean;
    };
};
export default validateDate;