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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

[Func="IsChromeOrXBL"]
interface TreeContentView
{
  /**
   * Retrieve the content item associated with the specified row.
   */
  [Throws]
  Element? getItemAtIndex(long row);

  /**
   * Retrieve the index associated with the specified content item.
   */
  long getIndexOfItem(Element? item);
};
TreeContentView implements TreeView;