Fetch whether importing the reference is restricted

        :returns: True, if importing the reference is restricted
        :rtype: :class:`bool`
        :raises: None

def fetch_import_ref_restriction(self,):
        """Fetch whether importing the reference is restricted

        :returns: True, if importing the reference is restricted
        :rtype: :class:`bool`
        :raises: None
        """
        inter = self.get_refobjinter()
        restricted = self.status() not in (self.LOADED, self.UNLOADED)
        return restricted or inter.fetch_action_restriction(self, 'import_reference')