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