import com.google.common.annotations.VisibleForTesting;
import com.google.common.base.Supplier;
import java.util.Map;
+import org.opendaylight.controller.cluster.DataPersistenceProvider;
import org.slf4j.Logger;
/**
SnapshotManager getSnapshotManager();
+ DataPersistenceProvider getPersistenceProvider();
+
boolean hasFollowers();
long getTotalMemory();