Readonly[toReadonlyhourReadonlymicrosecondReadonlymillisecondReadonlyminuteReadonlynanosecondReadonlysecondOptionaloptions: RoundingOptionsWithLargestUnit<TimeUnit>Optionallocales: LocalesArgumentOptionaloptions: DateTimeFormatOptionsOptionaloptions: PlainTimeToStringOptionsOptionaloptions: RoundingOptionsWithLargestUnit<TimeUnit>Optionaloptions: OverflowOptions