public static void install( String activationKeys ) {
		if( activationKeys == null )
			activationKeys = "ctrl shift alt Y";

		KeyStroke keyStroke = KeyStroke.getKeyStroke( activationKeys );
		Toolkit.getDefaultToolkit().addAWTEventListener( e -> {
			if( e.getID() == KeyEvent.KEY_RELEASED &&
				((KeyEvent)e).getKeyCode() == keyStroke.getKeyCode() &&
				(((KeyEvent)e).getModifiersEx() & KEY_MODIFIERS_MASK) == (keyStroke.getModifiers() & KEY_MODIFIERS_MASK)  )
			{
				show();
			}
		}, AWTEvent.KEY_EVENT_MASK );
	}
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