declare const datetimeExp: {
    datetime: RegExp;
    date: RegExp;
    time: RegExp;
};
declare const datetimePlainExp: {
    datetime: RegExp;
    date: RegExp;
    time: RegExp;
};
/**
 * Parses the value string and returns the datetime if the string represents
 * the ISO 8601 formatted datetime. Returns null when the invalid datetime
 * is found.
 */
declare const parseDateTime: (value: string) => Date | null;
/**
 * Parses the value string and returns the datetime if the string represents
 * the ISO 8601 formatted date. Returns null when the invalid date
 * is found.
 */
declare const parseDate: (value: string) => Date | null;
/**
 * Parses the value string and returns the datetime if the string represents
 * the ISO 8601 formatted time. Returns null when the invalid time
 * is found.
 */
declare const parseTime: (value: string) => Date | null;
declare const dateToDatetimeString: (date: Date | null, noSep?: boolean, zuluTime?: boolean) => string | null;
declare const dateToDateString: (date: Date | null, noSep?: boolean) => string | null;
declare const dateToTimeString: (date: Date | null, noSep?: boolean) => string | null;
declare const dateToSmartString: (date: Date | null, type: "datetime" | "date" | "time", noSep?: boolean) => string | null;
declare const dateToIOString: (date: Date | null, type: "datetime" | "date" | "time", noSep?: boolean) => string;

export { dateToDateString, dateToDatetimeString, dateToIOString, dateToSmartString, dateToTimeString, datetimeExp, datetimePlainExp, parseDate, parseDateTime, parseTime };