throw new BAD_OPERATION("Binding list expected");
BAD_OPERATION bad = new BAD_OPERATION("Binding list expected"); bad.initCause(ex); throw bad;
  public static Binding[] extract(Any a)  {    try      {        return ((BindingListHolder) a.extract_Streamable()).value;      }    catch (ClassCastException ex)      {        throw new BAD_OPERATION("Binding list expected");      }  }