static void addCefCustomSchemeHandlerFactory(@NotNull JBCefApp.JBCefCustomSchemeHandlerFactory factory) {
    if (ourInitialized.get()) {
      throw new IllegalStateException("JBCefApp has already been initialized!");
    }
    ourCustomSchemeHandlerFactoryList.add(factory);
  }
static void addCefCustomSchemeHandlerFactory(@NotNull JBCefApp.JBCefCustomSchemeHandlerFactory factory)