def METHOD_NAME(form, user, translations, locale):
    """Empty batch action, does nothing, only used for documentation.
    :arg BatchActionsForm form:
        the form containing parameters passed to the view
    :arg User user: the User object of the currently logged-in user
    :arg QuerySet translations:
        the list of translations that should be affected
    :arg Locale locale: the current locale
    :returns: a dict containing:
              * count: the number of affected translations
              * translated_resources: a list of TranslatedResource objects
                associated with the translations
              * changed_entities: a list of Entity objects associated
                with the translations
              * latest_translation_pk: the id of the latest affected
                translation
              * changed_translation_pks: a list of ids of affected translations
              * invalid_translation_pks: a list of ids of translations that have
                errors or changes on them could introduce new errors e.g. after find & replace
    """
    return {
        "count": 0,
        "translated_resources": [],
        "changed_entities": [],
        "latest_translation_pk": None,
        "changed_translation_pks": [],
        "invalid_translation_pks": [],
    }