Github user greenman18523 commented on the issue:
https://github.com/apache/commons-lang/pull/335
Hello @stokito, as mentioned in #332, would you consider an extra
parameter, to clearly specify the minimum number of masked characters?
From your implementation I can see that it is enforced, but it is limited,
and it is not documented clearly either in the javadoc or by the parameter
names.
The extra parameter can also make the method not being implicit on the
unmasking of start/end (``// we prefer to unmask from start and mask end if str
len is smaller``) and choose to equally subtract from ``unmaskedStart`` and
``unmaskedEnd`` to enforce the minimum amount of masked characters.
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