  <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classGoogle_1_1OrTools_1_1Graph_1_1operations__research__graphPINVOKE_1_1SWIGExceptionHelper.html#a11886f6ea7069976960a49740509e6cf">ExceptionArgumentDelegate</a>&#160;</td>
          <td class="paramname"><em>argumentNullDelegate</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="classGoogle_1_1Or