Bug 141192 [Viewers] Javadoc change about multiple equal elements in StructuredViewer and AbstractTreeViewer
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
}
    /**
     * Non-recursively tries to find the given element as a child of the given
     * parent (item or tree).
     * 
     * @param parent
     *           the parent item
     * @param element
     *           the element
     * @return Widget
     */
    private Widget internalFindChild(Widget parent, Object element) {
        Item[] items = getChildren(parent);
        for (int i = 0; i < items.length; i++) {
            Item item = items[i];
            Object data = item.getData();
            if (data != null && equals(data, element)) {
				return item;
			}
        }
        return null;
    }
    /**
     * Recursively tries to find the given element.
     * 
     * @param parent
     *           the parent item
     * @param element
     *           the element
     * @return Widget