Options for outputting precision in toString() on types with seconds
definition: { fractionalSecondDigits?: ; smallestUnit?: SmallestUnit<>; roundingMode?: RoundingMode; }
| "auto"
| 0
| 1
| 2
| 3
| 4
| 5
| 6
| 7
| 8
| 9
| "minute"
| "second"
| "millisecond"
| "microsecond"
| "nanosecond"