code: function onDeleted(files: Array<Object>) {
    if (!files) {
      return;
    }
  
    this._cache.remove(files); // No await on purpose
    files.forEach((file) => {
      file.status = ActionStatus.Deleted;
    });
    this::emitProgress("delete", files, 0, 1);
  }
docs: Handle deleted files.
  @this Poosh
  @private
  @fires Poosh#progress