# Hierarchy For Package tigase.collections

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - java.util.AbstractCollection<E> (implements java.util.Collection<E>)
    - java.util.AbstractQueue<E> (implements java.util.Queue<E>)
      - tigase.collections.CircularFifoQueue<E>
  - tigase.collections.TwoHashBidiMap<K,​V> (implements tigase.collections.BidiMap<K,​V>)

## Interface Hierarchy

- java.util.Map<K,​V>
  - tigase.collections.BidiMap<K,​V>