@size.setter<EOL><INDENT>def size(self, size: str):<DEDENT>
if size is None:<EOL><INDENT>raise ValueError("<STR_LIT>")  <EOL><DEDENT>self._size = size<EOL>
Sets the size of this Survey.

        Survey size  # noqa: E501

        :param size: The size of this Survey.
        :type size: str