private Language decideParsingLanguage(Inspector value, String wordData) {
        String languageTag = getAnnotation(USER_INPUT_LANGUAGE, getAnnotationMap(value), String.class, null);

        Language language = Language.fromLanguageTag(languageTag);
        if (language != Language.UNKNOWN) return language;

        Optional<Language> explicitLanguage = query.getExplicitLanguage();
        return explicitLanguage.orElse(Language.ENGLISH);

    }
Translates a list of grouping requests on JSON form to a list in the grouping language form
container-search/src/main/java/com/yahoo/search/query/SelectParser.java