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| ... | ... | @@ -28,12 +28,7 @@ import org.thingsboard.server.common.transport.TransportServiceCallback; |
| 28 | 28 | import org.thingsboard.server.gen.transport.TransportProtos; |
| 29 | 29 | |
| 30 | 30 | import java.util.UUID; |
| 31 | -import java.util.concurrent.ConcurrentHashMap; | |
| 32 | -import java.util.concurrent.ConcurrentMap; | |
| 33 | -import java.util.concurrent.ExecutorService; | |
| 34 | -import java.util.concurrent.Executors; | |
| 35 | -import java.util.concurrent.ScheduledExecutorService; | |
| 36 | -import java.util.concurrent.TimeUnit; | |
| 31 | +import java.util.concurrent.*; | |
| 37 | 32 | |
| 38 | 33 | /** |
| 39 | 34 | * Created by ashvayka on 17.10.18. | ... | ... |