code: @NonNull
    @SuppressWarnings("WeakerAccess")
    public SnackbarWrapper addCallbacks(List<Callback> callbacks) {
      int callbacksSize = callbacks.size();
      for (int i = 0; i < callbacksSize; i++) {
        addCallback(callbacks.get(i));
      }
      return this;
    }
docs: Adds multiple callbacks to the Snackbar for various events.
  
  @param callbacks The callbacks to be added.
  @return This instance.