TrigMonRoi_p1 Node1 TrigMonRoi_p1 + TrigMonRoi_p1() + ~TrigMonRoi_p1() Node2 std::vector< uint16_t > + elements Node2->Node1 -m_var_key Node3 std::vector< uint32_t > + elements Node3->Node1 -m_word Node4 std::vector< float > + elements Node4->Node1 -m_var_val