IxAODClusterCompressor Node1 IxAODClusterCompressor + ~IxAODClusterCompressor() + compress() + interfaceID() Node3 xAODClusterCompressor + m_allMoments + m_compressor + m_isEnabled + xAODClusterCompressor() + xAODClusterCompressor() + initialize() + compress() + queryInterface() + interfaceID() Node1->Node3 Node2 IService Node2->Node1