la.setVisible( false );
la.setVisible( true );
	protected final void initialize( )	{		super.initialize( );		Marker sm = MarkerImpl.create( MarkerType.NABLA_LITERAL, 4 );		setStartMarker( sm );		Marker em = MarkerImpl.create( MarkerType.NABLA_LITERAL, 4 );		setEndMarker( em );		setStartMarkerPosition( Position.BELOW_LITERAL );		setEndMarkerPosition( Position.ABOVE_LITERAL );		setLabelPosition( Position.ABOVE_LITERAL );				LineAttributes la = LineAttributesImpl.create( ColorDefinitionImpl.BLACK( ),				LineStyle.SOLID_LITERAL,				1 );		setConnectionLine( la );		la = LineAttributesImpl.create( ColorDefinitionImpl.BLACK( ),				LineStyle.SOLID_LITERAL,				1 );		la.setVisible( false );		setOutline( la );		Label lb = LabelImpl.create( );		setDecorationLabel( lb );	}