Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/StructureFactory.java
* @return an empty include library structure
	 */
	public static IncludedLibrary createIncludeLibrary( )
	{
		return new IncludedLibrary( );
	}
	/**
	 * Creates an empty parameter binding structure.
	 * 
	 * @return an empty parameter binding structure
	 */
	public static ParamBinding createParamBinding( )
	{
		return new ParamBinding( );
	}
	/**
	 * Creates an empty property mask structure.
	 * 
	 * @return an empty property mask structure
	 */
	public static PropertyMask createPropertyMask( )
	{
		return new PropertyMask( );
	}
	/**
	 * Creates an empty result set column structure.
	 * 
	 * @return an empty result set column structure
	 */
	public static ResultSetColumn createResultSetColumn( )