code: public void reset() {
          connectionsPerHost = 10;
          threadsAllowedToBlockForConnectionMultiplier = 5;
          maxWaitTime = 1000 * 60 * 2;
          connectTimeout = 1000 * 10;
          socketFactory = SocketFactory.getDefault();
          socketTimeout = 0;
          socketKeepAlive = false;
          readPreference = null;
          writeConcern = null;
          safe = false;
          w = 0;
          wtimeout = 0;
          fsync = false;
          j = false;
          dbDecoderFactory = DefaultDBDecoder.FACTORY;
          dbEncoderFactory = DefaultDBEncoder.FACTORY;
          description = null;
          cursorFinalizerEnabled = true;
          alwaysUseMBeans = false;
          requiredReplicaSetName = null;
      }
docs: Reset all settings to the default.