# | Line 10 | Line 10 | import java.util.concurrent.TimeUnit; | |
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10 | import java.util.concurrent.locks.Lock; | |
11 | import java.util.concurrent.locks.Condition; | |
12 | import java.util.concurrent.locks.ReadWriteLock; | |
13 | – | import java.util.concurrent.locks.LockSupport; |
13 | ||
14 | /** | |
15 | * A capability-based lock with three modes for controlling read/write |
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