Github user PascalSchumacher commented on the issue:
https://github.com/apache/commons-lang/pull/191
Support for excluding `null` values was added in
https://github.com/apache/commons-lang/commit/8147cc5b3de5fa7a3a3e8116355efa44367dc3c5
@gabriel-amaral Thanks for the pull request and sorry that it was not
merged. Can you please close it? Thanks!
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