private static PsiAnnotation getAnnotation(@NotNull PsiModifierListOwner owner) {
    PsiAnnotation annotation = owner.getAnnotation(JDK_INTERNAL_JAVAC_PREVIEW_FEATURE);
    if (annotation != null) return annotation;

    return owner.getAnnotation(JDK_INTERNAL_PREVIEW_FEATURE);
  }
private static PsiAnnotation getAnnotation(@NotNull PsiModifierListOwner owner)