Interface ResolvedDateTimeFormatOptions

interface ResolvedDateTimeFormatOptions {
    calendar: string;
    day?: string;
    era?: string;
    hour?: string;
    hour12?: boolean;
    locale: string;
    minute?: string;
    month?: string;
    numberingSystem: string;
    second?: string;
    timeZone: string;
    timeZoneName?: string;
    weekday?: string;
    year?: string;
}