code: void recycle(HttpConnection connection)
      {
          _state=__MSG_EDITABLE;
          _version=__HTTP_1_1;
          _dotVersion=1;
          _header.clear();
          _connection=connection;
          _characterEncoding=null;
          _mimeType=null;
          if (_attributes!=null)
              _attributes.clear();
      }
docs: Recycle the message.