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