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