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Instance MethodFoundationEssentials

subRegions(ofCategory:)

iOS 26.0+ iPadOS 26.0+ Mac Catalyst 26.0+ macOS 26.0+ tvOS 26.0+ visionOS 26.0+ watchOS 26.0+
An array of the sub-regions, matching the specified category of the region.
func subRegions(ofCategory category: Locale.Region.Category) -> [Locale.Region]