This package contains implementations of collection and map related key/value classes.
| AbstractKeyValue | Abstract pair class to assist with creating KeyValue and MapEntry implementations. |
| AbstractMapEntry | Abstract Pair class to assist with creating correct Map Entry implementations. |
| AbstractMapEntryDecorator | Provides a base decorator that allows additional functionality to be added
to a Map Entry. |
| DefaultKeyValue | A mutable KeyValue pair that does not implement MapEntry. |
| DefaultMapEntry | A restricted implementation of java.util.Map.Entry that prevents
the MapEntry contract from being broken. |
| MultiKey | A MultiKey allows multiple map keys to be merged together. |
| TiedMapEntry | A Map Entry tied to a map underneath. |
| UnmodifiableMapEntry | A java.util.Map.Entry that throws UnsupportedOperationException
when setValue is called. |