https://beam.apache.org/releases/javadoc/2.22.0/org/apache/beam/sdk/io/FileBasedSink.FilenamePolicy.html
FileBasedSink.FilenamePolicy (Apache Beam 2.22.0)
apache beam
https://beam.apache.org/releases/javadoc/2.39.0/org/apache/beam/sdk/io/FileBasedSink.FilenamePolicy.html
FileBasedSink.FilenamePolicy (Apache Beam 2.39.0)
apache beam