static @Nullable JBCefApp init() {
      ourInitialized.set(true);
      JCefAppConfig config = null;
      if (isSupported()) {
        try {
          if (!JreHiDpiUtil.isJreHiDPIEnabled()) {
            System.setProperty("jcef.forceDeviceScaleFactor", String.valueOf(getForceDeviceScaleFactor()));
          }
          config = JCefAppConfig.getInstance();
        }
        catch (Exception e) {
          LOG.error(e);
        }
      }
      JBCefApp app = null;
      if (config != null) {
        try {
          app = new JBCefApp(config);
        }
        catch (IllegalStateException ignore) {
        }
      }
      return app;
    }
static @Nullable JBCefApp init()