/**
  * Retrieve field names as localized, comma seperated string.
  *
  * @param  ModelHistory  $historyEntry  A History entry
  * @return string
  */
 public function getLocalizedFieldnames(ModelHistory $historyEntry)
 {
     $fields = join(', ', array_map(function ($value) use($historyEntry) {
         if (!is_string($value)) {
             return $value;
         }
         // Get pre configured translations and return it if found
         $fields = TableRegistry::get($historyEntry->model)->getFields();
         if (isset($fields[$value]['translation'])) {
             return $fields[$value]['translation'];
         }
         // Try to get the generic model.field translation string
         $localeSlug = strtolower(Inflector::singularize(Inflector::delimit($historyEntry->model))) . '.' . strtolower($value);
         $translatedString = __($localeSlug);
         // Return original value when no translation was made
         if ($localeSlug == $translatedString) {
             return $value;
         }
         return $translatedString;
     }, array_keys($historyEntry->data)));
     return $fields;
 }