public static void show() {
		if( inspectorFrame != null ) {
			ensureOnScreen( inspectorFrame );
			inspectorFrame.toFront();
			return;
		}

		inspectorFrame = new FlatUIDefaultsInspector().createFrame();
		inspectorFrame.setVisible( true );
	}
Installs a key listener into the application that allows enabling and disabling
the UI inspector with the given keystroke (e.g. "ctrl shift alt Y").

@param activationKeys a keystroke (e.g. "ctrl shift alt Y"), or {@code null} to use "ctrl shift alt Y"
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatUIDefaultsInspector.java