code: function _populateLanguageDropdown() {
          // Get all non-binary languages
          var languages = _.values(LanguageManager.getLanguages()).filter(function (language) {
              return !language.isBinary();
          });
  
          // sort dropdown alphabetically
          languages.sort(function (a, b) {
              return a.getName().toLowerCase().localeCompare(b.getName().toLowerCase());
          });
  
          languageSelect.items = languages;
  
          // Add option to top of menu for persisting the override
          languageSelect.items.unshift("---");
          languageSelect.items.unshift(LANGUAGE_SET_AS_DEFAULT);
      }
docs: Populate the languageSelect DropdownButton's menu with all registered Languages