private static PsiElement getElement(PsiExpression expr, PsiElement anchorElement) {
    PsiElement element = null;
    if (expr != null) {
      element = expr.getUserData(ElementToWorkOn.PARENT);
      if (element == null) element = expr;
    }
    if (element == null) element = anchorElement;
    return element;
  }
private static PsiElement getElement(PsiExpression expr, PsiElement anchorElement)