Trk::LayerProviderCond Node1 Trk::LayerProviderCond + LayerProviderCond() + ~LayerProviderCond() + initialize() + endcapLayer() + centralLayers() + identification() Node2 extends< LayerProviderImpl, ILayerProviderCond > Node2->Node1 Node3 PublicToolHandle< Trk ::ILayerBuilderCond > Node3->Node1 -m_layerBuilder