Github user trixpan commented on the issue:
https://github.com/apache/nifi/pull/1108
You can certainly include a file with the default patterns, however you
should not hardcode them. By hardcoding them you prevent the user from
optimising for speed by removing unused patterns from the pattern files (I
realise they can remove from the default packaged patterns but that means they
would be changing packaged files after an install, something you should always
avoid)
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