readAttributeBarrierClosePeriod(completion:)
Declaration
func readAttributeBarrierClosePeriod(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeBarrierClosePeriod() async throws -> NSNumberfunc readAttributeBarrierClosePeriod(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeBarrierClosePeriod() async throws -> NSNumber