Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
}
		Collections.sort( propDefns, new Comparator( ) {
			public int compare( Object o1, Object o2 )
			{
				PropertyDefn p1 = (PropertyDefn) o1;
				PropertyDefn p2 = (PropertyDefn) o2;
				CollationKey key1 = (CollationKey) keysMap.get( p1 );
				CollationKey key2 = (CollationKey) keysMap.get( p2 );
				
				
				
				return key1.compareTo( key2 );
			}
		} );
		return propDefns;
	}
	/**
	 * Sorts a list of element by their internal names.
	 * 
	 * @param elements
	 *            a list of <code>DesignElementHandle</code>
	 * @return a sorted list of element.
	 */
	public static List sortElementsByName( List elements )
	{
		List temp = new ArrayList( elements );
		Collections.sort( temp, new Comparator( ) {
			public int compare( Object o1, Object o2 )
			{
				DesignElementHandle handle1 = (DesignElementHandle) o1;