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 an empty config variable structure
	 */
	public static ConfigVariable createConfigVar( )
	{
		return new ConfigVariable( );
	}
	/**
	 * Creates an empty custom color structure.
	 * 
	 * @return an empty custom color structure
	 */
	public static CustomColor createCustomColor( )
	{
		return new CustomColor( );
	}
	/**
	 * Creates an empty data-set parameter structure.
	 * 
	 * @return an empty data-set parameter structure
	 */
	public static DataSetParameter createDataSetParameter( )
	{
		return new DataSetParameter( );
	}
	/**
	 * Creates an empty embedded image structure.
	 * 
	 * @return an empty embedded image structure
	 */
	public static EmbeddedImage createEmbeddedImage( )