private static boolean isPrimitiveClass(PsiClass where) {
    String qname = where.getQualifiedName();
    if (qname == null || !qname.startsWith("java.lang.")) return false;
    return CommonClassNames.JAVA_LANG_STRING.equals(qname) || InheritanceUtil.isInheritor(where, CommonClassNames.JAVA_LANG_NUMBER);
  }
private static boolean isPrimitiveClass(PsiClass where)