method Temporal.Instant.prototype.add
Instant.prototype.add(durationLike: Omit<Temporal.Duration | DurationLike, "years"
| "months"
| "weeks"
| "days"> | string): Temporal.Instant
durationLike: Omit<Temporal.Duration | DurationLike, "years"
| "months"
| "weeks"
| "days"> | string