https://beam.apache.org/releases/javadoc/2.67.0/org/apache/beam/sdk/io/gcp/spanner/changestreams/cache/NoOpWatermarkCache.html
NoOpWatermarkCache (Apache Beam 2.67.0)
declaration: package: org.apache.beam.sdk.io.gcp.spanner.changestreams.cache, class: NoOpWatermarkCache
apache beam