@abc.abstractmethod<EOL><INDENT>def get_default_version_values(self):<DEDENT>
return<EOL>
Gets the default version values.

        These are the values used if the element value is not provided
        or is cleared. If ``is_array()`` is false, then this method
        returns at most a single value.

        :return: the default version values
        :rtype: ``osid.installation.Version``
        :raise: ``IllegalState`` -- syntax is not a TIME or isValueKnown() is false

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