## Hierarchy For Package cascading.util

Package Hierarchies:
  All Packages

## Class Hierarchy

- java.lang.Object
  - cascading.util.NullNotEquivalentComparator (implements java.util.Comparator<T>, java.io.Serializable)
  - cascading.util.Pair<Lhs,Rhs>
  - cascading.util.ShutdownUtil
  - cascading.util.ShutdownUtil.Hook
  - cascading.util.SingleValueIterator<Value> (implements java.util.Iterator<E>)
    - cascading.util.ForeverValueIterator<Value>
    - cascading.util.SingleValueCloseableIterator<Value> (implements cascading.util.CloseableIterator<V>)
      - cascading.util.SingleCloseableInputIterator
  - java.util.TimerTask (implements java.lang.Runnable)
    - cascading.util.Update
  - cascading.util.TraceUtil
  - cascading.util.Util
  - cascading.util.Version

## Interface Hierarchy

- java.io.Closeable
  - cascading.util.CloseableIterator<V> (also extends java.util.Iterator<E>)
- java.util.Iterator<E>
  - cascading.util.CloseableIterator<V> (also extends java.io.Closeable)
- cascading.util.Traceable
- cascading.util.Util.RetryOperator<T>

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - cascading.util.ShutdownUtil.Hook.Priority

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