@classmethod
def api_version_fields(cls, **kwargs):
    """
        *** DEFAULT VERSION `v1` ***

        This method will return a dictionary object with version number and fields name. Fields are similar like
        serializer fields. Or you can say exactly as same as serializer fields.
        :param kwargs: Currently nothing to receive on kwargs
        :return: a dictionary object with version number
        """
    versions = {}
    return versions
