class Holder {

      int value = 2;
    }
    final Holder holder = new Holder();

    // This function adds the holder's value to the input value.
    Function<Integer, Integer> adder =
        new Function<Integer, Integer>() {
          @Override
          public Integer apply(Integer from) {
            return from + holder.value;
          }
        };

    class Holder {

      int value = 2;
    }
    final Holder holder = new Holder();

    // This function adds the holder's value to the input value.
    Function<Integer, Integer> adder =
        new Function<Integer, Integer>() {
          @Override
          public Integer apply(Integer from) {
            return from + holder.value;
          }
        };

    /** The key of the message: File */
    public static final String LABELS_storage_file = "{labels.storage_file}";

    /** The key of the message: Folder Name */
    public static final String LABELS_storage_folder_name = "{labels.storage_folder_name}";

    /** The key of the message: Download */
    public static final String LABELS_storage_button_download = "{labels.storage_button_download}";