private void processIfJavaLangClass(@Nullable PsiType type) {
    if (!(type instanceof PsiClassType)) return;

    final PsiClass psiClass = ((PsiClassType)type).resolve();
    if (psiClass == null || !CommonClassNames.JAVA_LANG_CLASS.equals(psiClass.getQualifiedName())) return;

    final PsiType[] params = ((PsiClassType)type).getParameters();
    if (params.length != 1) return;

    getVariantsFromQualifierType(params[0], myRefExpr.getProject());
  }
private void processIfJavaLangClass(@Nullable PsiType type)