Bug 171649 [Viewers] AbstractTreeViewerisExpandable(elementOrTreePath) is not called when using a ITreePathContentProvider
Build ID: 3.3M3 More information: see AbstractTreeViewer.java, line 1974, the content provider hasChildren() should not be called directly
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
}
	/**
	 * Returns the index where the item should be inserted. It uses sorter to
	 * determine the correct position, if sorter is not assigned, returns the
	 * index of the element after the last.
	 * 
	 * @param parent
	 *            The parent widget
	 * @param sorter
	 *            The sorter to use.
	 * @param startIndex
	 *            the start index to start search for position from this allows
	 *            optimising search for multiple elements that are sorted
	 *            themself.
	 * @param element
	 *            element to find position for.
	 * @param currentSize
	 *            the current size of the collection
	 * @return the index to use when inserting the element.
	 * 
	 */
	/**
	 * Returns the index where the item should be inserted.
	 * 
	 * @param parent
	 *            The parent widget the element will be inserted into.
	 * @param element
	 *            The element to insert.
	 * @return int
	 */