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