declare type DateFormat = `${number}-${number}-${number}`;
declare type TimeFormat = `${number}:${number}` | `${number}:${number}:${number}` | `${number}:${number}:${number}.${number}`;
declare type InstantFormat = `${number}-${number}-${number}T${number}:${number}:${number}.${number}Z`;
declare type DateTimeFormat = `${DateFormat}T${TimeFormat}`;
declare type YearMonthFormat = `${number}-${number}`;
declare type MonthDayFormat = `--${number}-${number}`;
declare type DurationFormat = `${'' | '-'}P${string}`;
interface Format {
    'YYYY-MM-DD': DateFormat;
    'hh:mm:ss.sss': TimeFormat;
    'YYYY-MM-DDThh:mm-ss.sssZ': InstantFormat;
    'YYYY-MM-DDThh:mm-ss.sss': DateTimeFormat;
    'YYYY-MM': YearMonthFormat;
    '--MM-DD': MonthDayFormat;
    'P(n)Y(n)M(n)DT(n)H(n)M(n)S': DurationFormat;
}
export declare type IsoInstant = Format['YYYY-MM-DDThh:mm-ss.sssZ'] & string;
export declare type IsoDate = Format['YYYY-MM-DD'] & string;
export declare type IsoTime = Format['hh:mm:ss.sss'] & string;
export declare type IsoDateTime = Format['YYYY-MM-DDThh:mm-ss.sss'] & string;
export declare type IsoYearMonth = Format['YYYY-MM'] & string;
export declare type IsoMonthDay = Format['--MM-DD'] & string;
export declare type IsoDuration = Format['P(n)Y(n)M(n)DT(n)H(n)M(n)S'] & string;
export {};