@Nullable
  public PsiClassType getBoxedType(@NotNull PsiManager manager, @NotNull GlobalSearchScope resolveScope) {
    String boxedQName = getBoxedTypeName();
    if (boxedQName == null) return null;

    PsiClass aClass = JavaPsiFacade.getInstance(manager.getProject()).findClass(boxedQName, resolveScope);
    if (aClass == null) return null;

    return JavaPsiFacade.getElementFactory(manager.getProject()).createType(aClass);
  }
@Nullable
  public PsiClassType getBoxedType(@NotNull PsiManager manager, @NotNull GlobalSearchScope resolveScope)