private void dumpActiveValue( PrintWriter out, ActiveValue value ) {
		out.print( "[active] " );
		Object realValue = value.createValue( defaults );

		if( realValue instanceof Font && realValue == UIManager.getFont( "defaultFont" ) ) {
			// dump "$defaultFont" for the default font to make it easier to
			// compare Windows/Linux dumps with macOS dumps
			out.print( "$defaultFont" );
			if( realValue instanceof UIResource )
				out.print( " [UI]" );
		} else
			dumpValue( out, null, realValue );
	}
Dumps look and feel UI defaults to files.

@author Karl Tauber
flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/uidefaults/UIDefaultsDump.java