code: public java.util.Map captureStatistics()
      {
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.entry(this, cclass,
                          "captureStatistics");
  
          java.util.Map statistics = new java.util.HashMap();
          statistics.put("maximumAvailableSize",
                         Long.toString(maximumAvailableSize));
  
          if (Tracing.isAnyTracingEnabled() && trace.isEntryEnabled())
              trace.exit(this, cclass,
                         "captureStatistics",
                         new Object[] { statistics });
          return statistics;
      }
docs: Builds a set of properties containing the current statistics.
  
  @return java.util.Map the statistics.