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