Github user PascalSchumacher commented on the issue:
https://github.com/apache/commons-lang/pull/221
If only one method is added it should be `isAll*` instead of `isAnyNot*`.
Since the `isAnyNot*` are not released yet, they can be removed.
I personally would have no problem with adding both types of methods.
Making client code more readable is imho enough to justify the addition.
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