export declare const isISO8601: (date: string) => boolean;
export declare const isRFC1123GTM: (date: string) => boolean;
export declare const isRFC1123: (date: string) => boolean;
export declare const formatDateToTheSameStandardFormat: (date: Date, formattedString: string) => string | null;
/** Handle ISO8601 and RFC1123 standard JS dates */
export declare const parseDate: (date: string) => Date | null;