code: public void resetValues(FacesContext context, Collection<String> clientIds) {
          this.visitTree(VisitContext.createVisitContext(context, clientIds, null), 
                  new DoResetValues());
      }
docs: <p class="changed_added_2_2">Visit the clientIds and, if the component is
  an instance of {@link EditableValueHolder},
  call its {@link EditableValueHolder#resetValue} method.
  Use {@link #visitTree} to do the visiting.</p>
  
  @since 2.2
  
  @param context the {@link FacesContext} for the request we are processing.
  @param clientIds The client ids to be visited, on which the described action will be taken.