https://beam.apache.org/releases/javadoc/2.70.0/org/apache/beam/sdk/io/gcp/spanner/changestreams/restriction/TimestampRangeTracker.html
TimestampRangeTracker (Apache Beam 2.70.0)
declaration: package: org.apache.beam.sdk.io.gcp.spanner.changestreams.restriction, class: TimestampRangeTracker
apache beam