CoralCrestManager Node1 CoralCrestManager + CoralCrestManager() + getGlobalTagMap() Node2 std::unique_ptr< Crest ::CrestApiBase > + ptr + operator->() Node2->Node1 -m_crestCl Node3 std::string Node3->Node1 -m_crestTag +prefix1 +prefix2 Node4 std::basic_string< char > Node4->Node3