@Override
  public FindResult findEntriesSince(String partitionPath, FindToken findToken, long maxTotalSizeOfEntries) {
    switch (azureReplicationFeedType) {
      case COSMOS_CHANGE_FEED:
        return findChangeFeedBasedEntries(partitionPath, findToken, maxTotalSizeOfEntries);
      case COSMOS_UPDATE_TIME:
        return findUpdateTimeBasedEntries(partitionPath, findToken, maxTotalSizeOfEntries);
      default:
        throw new IllegalArgumentException(
            String.format("Unknown azure replication feed type: %s", azureReplicationFeedType));
    }
  }
Instantiate {@link LatchBasedInMemoryCloudDestination}.
@param blobIdsToTrack a list of blobs that {@link LatchBasedInMemoryCloudDestination} tracks.
@param azureReplicationFeedType {@link AzureReplicationFeed.FeedType} object.
ambry-vcr/src/test/java/com/github/ambry/vcr/LatchBasedInMemoryCloudDestination.java