docs: public static void initLookAndFeel(final String className) {
          if (SwingUtilities.isEventDispatchThread()) {
              initLookAndFeelIntern(className);
          } else {
              try {
                  SwingUtilities.invokeAndWait(new Runnable() {
                      public void run() {
                          initLookAndFeelIntern(className);
                      }
                  });
              } catch (final Exception ex) {
                  throw new RuntimeException(ex);
              }
          }
      }