public Tuple<IPersistentEpochGroup, IPersistentEpochGroup> SplitEpochGroup(IPersistentEpochGroup group, IPersistentEpochBlock block) { return null; }
public IPersistentEpochGroup MergeEpochGroups(IPersistentEpochGroup group1, IPersistentEpochGroup group2) { return null; }