public static boolean hasAccessibleConstructor(PsiType type) {
    if (type instanceof PsiArrayType) return true;

    final PsiClass psiClass = PsiUtil.resolveClassInType(type);
    if (psiClass == null || psiClass.isEnum() || psiClass.isAnnotationType()) return false;

    if (!(psiClass instanceof PsiCompiledElement)) return true;

    final PsiMethod[] methods = psiClass.getConstructors();
    if (methods.length == 0) return true;

    for (final PsiMethod method : methods) {
      if (!method.hasModifierProperty(PsiModifier.PRIVATE)) return true;
    }
    return false;
  }
 @NotNull
 public static PsiClassType[] getExtendsListTypes(@NotNull PsiClass psiClass) {
   if (psiClass.isEnum()) {
     PsiClassType enumSuperType =
         getEnumSuperType(
             psiClass, JavaPsiFacade.getInstance(psiClass.getProject()).getElementFactory());
     return enumSuperType == null ? PsiClassType.EMPTY_ARRAY : new PsiClassType[] {enumSuperType};
   }
   if (psiClass.isAnnotationType()) {
     return new PsiClassType[] {
       getAnnotationSuperType(
           psiClass, JavaPsiFacade.getInstance(psiClass.getProject()).getElementFactory())
     };
   }
   final PsiReferenceList extendsList = psiClass.getExtendsList();
   if (extendsList != null) {
     return extendsList.getReferencedTypes();
   }
   return PsiClassType.EMPTY_ARRAY;
 }