docs: @Override
      public void close() throws SIConnectionLostException, SIResourceException,
                      SIErrorException, SIConnectionDroppedException,
                      SIConnectionUnavailableException
      {
          try
          {
              _delegateConnection.close();
          } finally
          {
              if (_managedConnection != null)
              {
                  _managedConnection.connectionClosed(this);
              }
          }
      }