LArCalibrationHitContainerBuilderBase< HitContainerT > Node1 LArCalibrationHitContainer BuilderBase< HitContainerT > - m_partitions - m_directHits + ~LArCalibrationHitContainer BuilderBase() + RegisterSource() + AddHit() + Finalize() - Finalize() - FindOrCreatePartition() - AddHit() Node2 HitContainerT     Node2->Node1