core / io.islandtime.zone / PlatformTimeZoneRulesProvider / hasRulesFor
hasRulesFor
(iosArm64, iosX64, jvm, macosX64, tvosArm64, tvosX64, watchosArm64, watchosX86) fun hasRulesFor(regionId: String): Boolean
Check if regionId has rules associated with it.