method Temporal.PlainYearMonth.prototype.add
PlainYearMonth.prototype.add(durationLike: ,options?: ArithmeticOptions,): Temporal.PlainYearMonth
optional
options: ArithmeticOptions
PlainYearMonth.prototype.add(durationLike: ,options?: ArithmeticOptions,): Temporal.PlainYearMonth
options: ArithmeticOptions