def METHOD_NAME(self, context, value):
    if value in ('', 'default'):
        return {'dst': ''}
    elif value in ('0', '0.0.0.0'):
        return {'dst': '', 'family': AF_INET}
    elif value in ('::', '::/0'):
        return {'dst': '', 'family': AF_INET6}
    return self.parse_target('dst', context, value)