class RecentChainData implements StoreUpdateHandler {

  public void updateHead(Bytes32 root, UInt64 currentSlot) {
    updateHead(root, currentSlot, false);
  }

    RecentChainData(
      final AsyncRunner asyncRunner,
      final MetricsSystem metricsSystem,
      final StoreConfig storeConfig,
      final BlockProvider blockProvider,
      final StateAndBlockProvider stateProvider,
      final StorageUpdateChannel storageUpdateChannel,
      final ProtoArrayStorageChannel protoArrayStorageChannel,
      final FinalizedCheckpointChannel finalizedCheckpointChannel,
      final ChainHeadChannel chainHeadChannel,
      final EventBus eventBus);

}