code: @Override
      public String[] getDefaultCipherSuites() {
          if (tc.isEntryEnabled())
              Tr.entry(tc, "getDefaultCipherSuites");
          if (tc.isDebugEnabled())
              Tr.debug(tc, "default_factory: " + default_factory);
          String[] output = null;
          if (default_factory != null) {
              output = default_factory.getDefaultCipherSuites();
          }
          if (tc.isEntryEnabled())
              Tr.exit(tc, "getDefaultCipherSuites", new Object[] { output });
          return output;
      }
docs: *
  <p>
  Returns the list of cipher suites which are enabled by default.
  </p>
  *