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