docs: public final void setIncludeSubdirsVisible(final boolean b) {
          if (SwingUtilities.isEventDispatchThread()) {
              setIncludeSubdirsVisibleIntern(b);
          } else {
              try {
                  SwingUtilities.invokeAndWait(new Runnable() {
                      public void run() {
                          setIncludeSubdirsVisibleIntern(b);
                      }
                  });
              } catch (final Exception ex) {
                  ignore();
              }
          }
      }