val Date.lengthOfWeekBasedYear: IntWeeks
The length of the ISO week-based year that this date falls in, either 52 or 53 weeks.
(iosArm64, iosX64, jvm, macosX64, tvosArm64, tvosX64, watchosArm64, watchosX86)val DateTime.lengthOfWeekBasedYear: IntWeeksval OffsetDateTime.lengthOfWeekBasedYear: IntWeeksval ZonedDateTime.lengthOfWeekBasedYear: IntWeeks
The length of the ISO week-based year that this date-time falls in, either 52 or 53 weeks.