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