private Properties loadDerivedColorKeys() {
		String name = "/com/formdev/flatlaf/extras/resources/DerivedColorKeys.properties";
		Properties properties = new Properties();
		try( InputStream in = getClass().getResourceAsStream( name ) ) {
			if( in != null )
				properties.load( in );
		} catch( IOException ex ) {
			LoggingFacade.INSTANCE.logSevere( "FlatLaf: Failed to load '" + name + "'.", ex );
		}
		return properties;
	}
Creates a UI defaults inspector panel that can be embedded into any window.
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatUIDefaultsInspector.java