method Temporal.PlainDateTime.prototype.sincesince(other: Temporal.PlainDateTime | PlainDateTimeLike | string, options?: DifferenceOptions< | "year" | "month" | "week" | "day" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond">): Temporal.DurationParametersother: Temporal.PlainDateTime | PlainDateTimeLike | stringoptionaloptions: DifferenceOptions< | "year" | "month" | "week" | "day" | "hour" | "minute" | "second" | "millisecond" | "microsecond" | "nanosecond">ReturnsTemporal.Duration