1. com
   1. com.twitter
      1. com.twitter.collection
         1. (class)BucketGenerationalQueue
         2. (class)ExactGenerationalQueue
         3. (trait)GenerationalQueue
      2. com.twitter.util
         1. (object)(class)ImmutableLRU
         2. (case class)JMapWrapper
         3. (trait)JMapWrapperLike
         4. (object)(class)LruMap
         5. (class)MapToSetAdapter
         6. (object)
            SetMaker
         7. (class)SynchronizedLruMap