page.setProvider( new HighlightPropertyDescriptorProvider( ) );
page.setProvider( new HighlightDescriptorProvider( ) );
	public static IPropertyTabUI buildHighlightPage( Composite parent, Object input )	{		GridLayout gl = new GridLayout( );		parent.setLayout( gl );		PreviewPage page = new PreviewPage( true );		page.setPreview( new HighlightPropertyDescriptor( true ) );		page.setProvider( new HighlightPropertyDescriptorProvider( ) );		page.setInput( input );		page.buildUI( parent );				return page;	}