ActsTrk::ItkBlueprintNodeBuilder Node1 ActsTrk::ItkBlueprintNode Builder - m_itkPixelMgr - m_itkStripMgr - m_beamPipeMgr - m_elementStore - m_doEndcapLayerMerging - m_buildBeamPipe + initialize() + buildBlueprintNode() - buildItkStripBlueprintNode() - buildItkPixelBlueprintNode() - buildBeamPipeBlueprintNode() Node2 extends< AthAlgTool, IBlueprintNodeBuilder > Node2->Node1