static boolean supportsTypedHandlers(@NotNull PsiFile psiFile, @NotNull Language lang) {
    if (!EP_NAME.hasAnyExtensions()) {
      return false;
    }
    return ContainerUtil.exists(EP_NAME.getExtensionList(), supporter -> supporter.isAvailable(psiFile, lang));
  }
static boolean supportsTypedHandlers(@NotNull PsiFile psiFile, @NotNull Language lang)