https://beam.apache.org/releases/javadoc/2.33.0/org/apache/beam/sdk/io/UnboundedSource.CheckpointMark.NoopCheckpointMark.html
UnboundedSource.CheckpointMark.NoopCheckpointMark (Apache Beam 2.33.0)
apache beam
https://beam.apache.org/releases/javadoc/2.23.0/org/apache/beam/sdk/io/UnboundedSource.CheckpointMark.NoopCheckpointMark.html
UnboundedSource.CheckpointMark.NoopCheckpointMark (Apache Beam 2.23.0)
apache beam