https://pekko.apache.org/api/pekko/1.1/org/apache/pekko/util/LineNumbers$$UnknownSourceFormat.html
Apache Pekko 1.1.5 - org.apache.pekko.util.LineNumbers.UnknownSourceFormat
Apache Pekko 1.1.5 - org.apache.pekko.util.LineNumbers.UnknownSourceFormat
apachepekkoutil