method Temporal.PlainYearMonth.prototype.since
PlainYearMonth.prototype.since(other: ,options?: DifferenceOptions<"year" | "month">,): Temporal.Duration
optional
options: DifferenceOptions<"year" | "month">
PlainYearMonth.prototype.since(other: ,options?: DifferenceOptions<"year" | "month">,): Temporal.Duration
options: DifferenceOptions<"year" | "month">