private static boolean findClassByText(GrReferenceExpression ref) {
    final String text = ref.getText();
    final int i = text.indexOf('<');
    String className = i == -1 ? text : text.substring(0, i);

    PsiClass[] names =
        PsiShortNamesCache.getInstance(ref.getProject())
            .getClassesByName(className, ref.getResolveScope());
    if (names.length > 0) return true;

    PsiFile file = ref.getContainingFile();
    if (file instanceof GroovyFile) {
      GrImportStatement[] imports = ((GroovyFile) file).getImportStatements();
      for (GrImportStatement anImport : imports) {
        if (className.equals(anImport.getImportedName())) return true;
      }
    }

    return false;
  }
  private static boolean areGroovyObjectMethodsOverridden(GrReferenceExpression ref) {
    PsiType qualifierType = GrReferenceResolveUtil.getQualifierType(ref);
    if (!(qualifierType instanceof PsiClassType)) return false;

    PsiClass resolved = ((PsiClassType) qualifierType).resolve();
    if (resolved == null) return false;

    PsiClass groovyObject =
        JavaPsiFacade.getInstance(ref.getProject())
            .findClass(GroovyCommonClassNames.GROOVY_OBJECT, ref.getResolveScope());
    if (groovyObject == null) return false;

    String methodName;
    if (ref.getParent() instanceof GrCall) {
      methodName = "invokeMethod";
    } else if (PsiUtil.isLValue(ref)) {
      methodName = "setProperty";
    } else {
      methodName = "getProperty";
    }

    PsiMethod[] patternMethods = groovyObject.findMethodsByName(methodName, false);
    if (patternMethods.length != 1) return false;

    PsiMethod patternMethod = patternMethods[0];
    PsiMethod found = resolved.findMethodBySignature(patternMethod, true);
    if (found == null) return false;

    PsiClass aClass = found.getContainingClass();
    if (aClass == null) return false;
    String qname = aClass.getQualifiedName();
    if (GroovyCommonClassNames.GROOVY_OBJECT.equals(qname)) return false;
    if (GroovyCommonClassNames.GROOVY_OBJECT_SUPPORT.equals(qname)) return false;

    return true;
  }