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