ActsLayerBuilder Node1 ActsLayerBuilder - m_cfg - m_logger + ActsLayerBuilder() + ~ActsLayerBuilder() + negativeLayers() + centralLayers() + positiveLayers() + setConfiguration() + getConfiguration() + identification() + setLogger() - logger() - getDetectorElements() - buildBarrel() - buildEndcap() Node2 Acts::ILayerBuilder Node2->Node1