See: Description
| Class | Description | 
|---|---|
| CleanUpReadChangeStreamDoFn | |
| DetectNewPartitionsDoFn | A SplittableDoFn (SDF) that is responsible for scheduling partitions to be queried. | 
| InitializeDoFn | A DoFn responsible for initializing the change stream Connector. | 
| PostProcessingMetricsDoFn | A DoFn class to gather metrics about the emitted  DataChangeRecords. | 
| ReadChangeStreamPartitionDoFn | A SDF (Splittable DoFn) class which is responsible for performing a change stream query for a
 given partition. |