Bug 183733 Implement the IScriptOjectClassInfo to provide the class infromation to support the JS code assistant.
Engine should implement the IScriptObjectClassInfo interface to return the class information for script object.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/ScriptedDesignVisitor.java
* 
	 * @param handle
	 *            De's list group
	 * @return engine's list group
	 */
	public void visitListGroup( ListGroupHandle handle )
	{
		handleOnPrepare( handle );
		
		SlotHandle headerSlot = handle.getHeader( );
		for ( int i = 0; i < headerSlot.getCount( ); i++ )
		{
			apply( headerSlot.get( i ) );
		}
		
		SlotHandle footerSlot = handle.getFooter( );
		for ( int i = 0; i < footerSlot.getCount( ); i++ )
		{
			apply( footerSlot.get( i ) );
		}
	}
	/**
	 * create a table group using the DE's TableGroup.
	 * 
	 * @param handle
	 *            De's table group
	 * @return engine's table group
	 */
	public void visitTableGroup( TableGroupHandle handle )
	{