declare type InternalUUID = string; declare type UUID = string; declare type URLString = string; declare type UnknownYet = unknown; declare type TimeUnit = { unix: number; us: number; iso: string; tz: 'UTC' | string; // add all possible values and remove | string full: string; unixms: string; } export const InternalUUID; export const UUID; export const URLString; export const UnknownYet;