dweiss commented on PR #12824:
URL: https://github.com/apache/lucene/pull/12824#issuecomment-1817936062

   I don't see the whole picture of where you need it - it would be perhaps 
better to include this class where it's actually used so that the use context 
is clear. In general, the less code, the better.
   
   Arrays.copyOf is definitely safe inside the JDK. :) It's banned in Lucene 
because of its problematic semantics - it's not known whether you're trying to 
"grow" or "shrink" the array, see comments here: 
https://github.com/apache/lucene/issues/9213


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