@Override
  public void updateUsage(PsiElement element) {
    if (element instanceof GrReferenceExpression) {
      GrExpression qualifierExpression = ((GrReferenceExpression)element).getQualifierExpression();
      if (qualifierExpression instanceof GrReferenceExpression && ((GrReferenceExpression)qualifierExpression).resolve() == mySourceClass) {
        ((GrReferenceExpression)qualifierExpression).bindToElement(myTargetSuperClass);
      }
    }
  }
@Override
  public void updateUsage(PsiElement element)