Псевдоним типа Base

Base:
    | "year"
    | "years"
    | "y"
    | "month"
    | "months"
    | "M"
    | "week"
    | "weeks"
    | "w"
    | "day"
    | "days"
    | "d"
    | "hour"
    | "hours"
    | "h"
    | "minute"
    | "minutes"
    | "m"
    | "second"
    | "seconds"
    | "s"
    | "millisecond"
    | "milliseconds"
    | "ms"