@NotNull
  private static List<PostfixTemplateProvider> getProviders() {
    List<LanguageExtensionPoint> list = LanguagePostfixTemplate.EP_NAME.getExtensionList();
    return ContainerUtil.map(list, el -> (PostfixTemplateProvider)el.getInstance());
  }
@NotNull
  private static List<PostfixTemplateProvider> getProviders()