def METHOD_NAME(cls, _info, instance, cleaned_input):
    instance.METHOD_NAME()
    update_countries_configuration = cleaned_input.get(
        "update_countries_configuration", []
    )
    remove_countries_configuration = cleaned_input.get(
        "remove_countries_configuration", []
    )
    cls.update_countries_configuration(instance, update_countries_configuration)
    cls.remove_countries_configuration(remove_countries_configuration)