AAH Node1 AAH Node2 AthAnalysisHelper + AthAnalysisHelper() + initGaudi() + addPropertyToCatalogue() + setProperty() + setProperty() + setProperty() + setProperty() + setProperty() + setProperty() + setProperty() + toString() and 22 more... Node2->Node1 Node3 std::string Node3->Node2 +UNDEFINED Node4 std::basic_string< char > Node4->Node3