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