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
SlotHandle parameterSlot = handle.getParameters( );
		for ( int i = 0; i < parameterSlot.getCount( ); i++ )
		{
			apply( parameterSlot.get( i ) );
		}
		
		SlotHandle scratchSlot = handle.getScratchPad( );
		for ( int i = 0; i < scratchSlot.getCount( ); i++ )
		{
			apply( scratchSlot.get( i ) );
		}
		
		SlotHandle styleSlot = handle.getStyles( );
		for ( int i = 0; i < styleSlot.getCount( ); i++ )
		{
			apply( styleSlot.get( i ) );
		}
	}
	/**
	 * setup the master page object from the base master page handle.
	 * 
	 * @param page
	 *            page object
	 * @param handle
	 *            page handle
	 */
	public void visitGraphicMasterPage( GraphicMasterPageHandle handle )
	{