@abc.abstractmethod<EOL><INDENT>def set_version(self, version):<DEDENT>
pass<EOL>
Sets the version.

        :param version: the new version
        :type version: ``osid.installation.Version``
        :raise: ``InvalidArgument`` -- ``version`` is invalid
        :raise: ``NoAccess`` -- ``Metadata.isReadOnly()`` is ``true``
        :raise: ``NullArgument`` -- ``version`` is ``null``

        *compliance: mandatory -- This method must be implemented.*