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