docs: private java.util.Map captureStatistics()
      {
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.entry(this, cclass
                          , "captureStatistics"
                              );
  
          java.util.Map statistics = new java.util.HashMap();
          statistics.putAll(objectManagerState.captureStatistics());
  
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.exit(this, cclass
                         , "captureStatistics"
                         , statistics
                              );
          return statistics;
      }