export declare namespace BaseDateTime {
    const HourRegex = "(?<!\\d[,.])(?<hour>2[0-4]|[0-1]?\\d)(h)?";
    const TwoDigitHourRegex = "(?<hour>[0-1]\\d|2[0-4])(h)?";
    const MinuteRegex = "(?<min>[0-5]\\d)(?!\\d)";
    const TwoDigitMinuteRegex = "(?<min>[0-5]\\d)(?!\\d)";
    const DeltaMinuteRegex = "(?<deltamin>[0-5]?\\d)";
    const SecondRegex = "(?<sec>[0-5]?\\d)";
    const FourDigitYearRegex = "\\b(?<![$])(?<year>((1\\d|20)\\d{2})|2100)(?!\\.0\\b)\\b";
    const HyphenDateRegex = "((?<year1>[0-9]{4})-?(?<month1>1[0-2]|0[1-9])-?(?<day1>3[01]|0[1-9]|[12][0-9]))|((?<month2>1[0-2]|0[1-9])-?(?<day2>3[01]|0[1-9]|[12][0-9])-?(?<year2>[0-9]{4}))|((?<day3>3[01]|0[1-9]|[12][0-9])-?(?<month3>1[0-2]|0[1-9])-?(?<year3>[0-9]{4}))";
    const IllegalYearRegex: string;
    const InvalidDayNumberPrefix = "(\\d[.,:]|[$\u00A3\u20AC]\\s*)$";
    const CheckDecimalRegex = "(?![,.]\\d)";
    const RangeConnectorSymbolRegex = "(--|-|\u2014|\u2014\u2014|~|\u2013)";
    const BaseAmDescRegex = "(am\\b|a\\s*\\.\\s*m\\s*\\.|a[\\.]?\\s*m\\b)";
    const BasePmDescRegex = "(pm\\b|p\\s*\\.\\s*m\\s*\\.|p[\\.]?\\s*m\\b)";
    const BaseAmPmDescRegex = "(ampm)";
    const EqualRegex = "(?<!<|>)=";
    const BracketRegex = "^\\s*[\\)\\]]|[\\[\\(]\\s*$";
    const MinYearNum = "1500";
    const MaxYearNum = "2100";
    const MaxTwoDigitYearFutureNum = "30";
    const MinTwoDigitYearPastNum = "40";
    const DayOfMonthDictionary: ReadonlyMap<string, number>;
    const VariableHolidaysTimexDictionary: ReadonlyMap<string, string>;
}