FlavorTagDiscriminants::internal::BVarGetter< T > Node1 FlavorTagDiscriminants ::internal::BVarGetter< T > + BVarGetter() + operator()() Node2 SG::ConstAccessor< char > # m_auxid + ConstAccessor() + ConstAccessor() + ConstAccessor() + operator()() + operator()() + withDefault() + withDefault() + getDataArray() + getDataSpan() + isAvailable() + auxid() # ConstAccessor() # ConstAccessor() Node2->Node1 -m_default_flag Node3 SG::ConstAccessor< T > # m_auxid + ConstAccessor() + ConstAccessor() + ConstAccessor() + operator()() + operator()() + withDefault() + withDefault() + getDataArray() + getDataSpan() + isAvailable() + auxid() # ConstAccessor() # ConstAccessor() Node3->Node1 -m_getter Node4 std::string Node4->Node1 -m_name Node5 std::basic_string< char > Node5->Node4