@Override
			public void actionPerformed( ActionEvent e ) {
				Action action = scrollPane.getActionMap().get( actionKey );
				if( action != null ) {
					action.actionPerformed( new ActionEvent( scrollPane,
						e.getID(), actionKey, e.getWhen(), e.getModifiers() ) );
				}
			}
Creates a UI defaults inspector panel that can be embedded into any window.
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/FlatUIDefaultsInspector.java