method Temporal.PlainYearMonth.subtract
#PlainYearMonth.subtract(duration: DurationLike,options?: OverflowOptions,): PlainYearMonthParameters #
#duration: DurationLike #options: OverflowOptions optional
#PlainYearMonth.subtract(duration: DurationLike,options?: OverflowOptions,): PlainYearMonth#duration: DurationLike #options: OverflowOptions