CaloClusterCellLinkContainer_p1 Node1 CaloClusterCellLinkContainer_p1 Node2 DataLink_p2 + m_SGKeyHash + DataLink_p2() Node2->Node1 +m_cellCont Node3 std::vector< unsigned > + elements Node3->Node1 +m_nCellsPerCluster +m_indices Node4 std::vector< float > + elements Node4->Node1 +m_weights