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
{
			apply( groupSlot.get( i ) );
		}
	}
	public void visitColumn( ColumnHandle handle )
	{
		
	}
	public void visitRow( RowHandle handle )
	{
		handleOnPrepare( handle );
		
		SlotHandle cellSlot = handle.getCells( );
		for ( int i = 0; i < cellSlot.getCount( ); i++ )
		{
			apply( cellSlot.get( i ) );
		}
	}
	public void visitCell( CellHandle handle )
	{
		handleOnPrepare( handle );
		
		SlotHandle contentSlot = handle.getContent( );
		for ( int i = 0; i < contentSlot.getCount( ); i++ )
		{
			apply( contentSlot.get( i ) );
		}
	}
	/**
	 * create a list group using the DE's ListGroup.