code: protected void diagnostics() {
          if (log.isLoggable(Level.FINEST)) {
              log.finest(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
              log.finest("COLLECTOR DIAGNOSTICS:");
              fragmentManager.diagnostics();
              log.finest("Correlation (" + correlations.size() + "): " + correlations);
              log.finest("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<");
          }
      }
docs: This method reports diagnostic information to the log.