@Override
	protected void installComponents( JXTitledPanel titledPanel ) {
		super.installComponents( titledPanel );

		if (SwingXUtilities.isUIInstallable(titledPanel.getBorder()))
			titledPanel.setBorder( new FlatLineBorder( new Insets( 1, 1, 1, 1 ),
				UIManager.getColor( "JXTitledPanel.borderColor" ) ) );
	}
Provides the Flat LaF UI delegate for {@link org.jdesktop.swingx.JXTitledPanel}.

@author Karl Tauber
flatlaf-swingx/src/main/java/com/formdev/flatlaf/swingx/ui/FlatTitledPanelUI.java