Bug 152830 Need model's support to add jar files
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/StructureFactory.java
{
		return new SortKey( );
	}
	/**
	 * Creates an empty column hint structure.
	 * 
	 * @return an empty column hint structure
	 */
	public static ColumnHint createColumnHint( )
	{
		return new ColumnHint( );
	}
	/**
	 * Creates an empty highlight rule structure.
	 * 
	 * @return an empty highlight rule structure
	 */
	public static HighlightRule createHighlightRule( )
	{
		return new HighlightRule( );
	}
	/**
	 * Creates an empty map rule structure.
	 * 
	 * @return an empty map rule structure
	 */
	public static MapRule createMapRule( )
	{
		return new MapRule( );
	}