@Override
 public NavigationItem deserialize(
     JsonElement element, Type type, JsonDeserializationContext context)
     throws JsonParseException {
   JsonObject jsonObject = element.getAsJsonObject();
   long identifier = BaseItemSerializer.identifierFromObject(jsonObject);
   NavigationItem item = new NavigationItem(identifier);
   BaseItemSerializer.deserializeFromObject(item, jsonObject);
   item.setGamesMustMatchAllTags(
       jsonObject.get(JsonConstants.PROPERTY_MUST_MATCH_ALL_TAGS).getAsBoolean());
   item.setShowEligibleGames(jsonObject.get(JsonConstants.PROPERTY_SHOW_GAMES).getAsBoolean());
   this.deserializeAssignedTags(item, jsonObject);
   return item;
 }