<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def translate(self) -> Optional[str]: """Gets the value in the current language or falls back to the next language if there's no value in the current language."""


        fallbacks = getattr(settings, 'LOCALIZED_FIELDS_FALLBACKS', {})

        language = translation.get_language() or settings.LANGUAGE_CODE
        languages = fallbacks.get(language, [settings.LANGUAGE_CODE])[:]
        languages.insert(0, language)

        for lang_code in languages:
            value = self.get(lang_code)
            if value:
                return value or None

        return None