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| 5 | */ | |
| 6 | ||
| 7 | package java.util.concurrent; | |
| 8 | < | import java.util.*; |
| 8 | > | |
| 9 | > | import java.util.Deque; |
| 10 | > | import java.util.Iterator; |
| 11 | > | import java.util.NoSuchElementException; |
| 12 | ||
| 13 | /** | |
| 14 | * A {@link Deque} that additionally supports blocking operations that wait | |
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