v0.12.10: getAdditionalPropertyNames cause a warning if null (#75)
* bugfix - getAdditionalPropertyNames warning if null * return empty array and improve performance Co-Authored-By: Viacheslav Poturaev <vearutop@users.noreply.github.com>
* bugfix - getAdditionalPropertyNames warning if null * return empty array and improve performance Co-Authored-By: Viacheslav Poturaev <vearutop@users.noreply.github.com>