Unused variable in TreeBidiMap.java
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                 Key: COLLECTIONS-255
                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-255
             Project: Commons Collections
          Issue Type: Bug
          Components: BidiMap
    Affects Versions: Nightly Builds
            Reporter: Henri Yandell
            Priority: Trivial
             Fix For: 3.3


Twice in TreeBidiMap there is an entrySet variable that is not used. Rather the 
entrySet() method returns a new TreeView every time.

We should either:

a) Delete the variable.
b) Use the variable and always return the same TreeView.

I'm thinking a).

[Found via http://opensource.fortifysoftware.com/ ]

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