Start Level 1 Node: Garbage CollectorGarbage CollectorEnd Level 1 Node: Garbage Collector
   Start Level 2 Node: Displaying the Configuration of Object TypesDisplaying the Configuration of Object TypesEnd Level 2 Node: Displaying the Configuration of Object Types
   Start Level 2 Node: Starting the Run for the Persistent Garbage CollectorStarting the Run for the Persistent Garbage CollectorEnd Level 2 Node: Starting the Run for the Persistent Garbage Collector