TrackPropagationHelper Node1 TrackPropagationHelper - m_d + TrackPropagationHelper() + ~TrackPropagationHelper() + makePointsNeutral() + makePointsCharged() + getExtrapolationSurfaces() + showExtrapolationSurfaces() Node2 VP1HelperClassBase - m_helpername - m_system - s_vp1verbose + ~VP1HelperClassBase() + setSystemBasePointer() + message() + messageDebug() + messageVerbose() + message() + messageDebug() + messageVerbose() + message() + messageDebug() + messageVerbose() + systemBase() + helperClassName() + verbose() + warnUndeletedInstances() # VP1HelperClassBase() # setHelperClassName() - VP1HelperClassBase() - operator=() Node2->Node1 Node3 VP1String + VP1String() + ~VP1String() + str() + str() + str() + str() + str() + str() + str() + str() + str() + str() and 20 more... Node3->Node2