public/assets/plugins/angular-elastic-builder/src/tmpl/types/Date.html

   1 <span class="date-rule">
   2   <select data-ng-model="rule.subType" class="form-control">
   3
   4     <optgroup label="Generic">
   5       <option value="exists">Exists</option>
   6       <option value="notExists">! Exists</option>
   7     </optgroup>
   8   </select>
   9
  10 </span>