Bug 234345 [Viewers] AbstractTreeViewer#getChildren(Widget,Object[]) holds doc that it is experimental
a) Remove the experimental description => Why do we need this method b) Remove the method
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/AbstractTreeViewer.java
}
		}
		return result.toArray();
	}
	/**
	 * Returns whether the node corresponding to the given element or tree path
	 * is expanded or collapsed.
	 *
	 * @param elementOrTreePath
	 *            the element
	 * @return <code>true</code> if the node is expanded, and
	 *         <code>false</code> if collapsed
	 */
	public boolean getExpandedState(Object elementOrTreePath) {
		Assert.isNotNull(elementOrTreePath);
		Widget item = internalGetWidgetToSelect(elementOrTreePath);
		if (item instanceof Item) {
			return getExpanded((Item) item);
		}
		return false;
	}
	/**
	 * Returns the number of child items of the given SWT control.
	 *
	 * @param control
	 *            the control
	 * @return the number of children
	 */
	protected abstract int getItemCount(Control control);
	/**