code: protected HtmlResponse forwardById(Class<?> actionType, Number... ids) {
          assertArgumentNotNull("actionType", actionType);
          assertArgumentNotNull("ids", ids);
          final Object[] objAry = (Object[]) ids; // to suppress warning
          return forwardWith(actionType, moreUrl(objAry));
      }
docs: Forward to the action (index method) by the IDs on URL.
  <pre>
  <span style="color: #3F7E5E">// e.g. /member/edit/3/</span>
  return forwardById(MemberEditAction.class, 3);
  
  <span style="color: #3F7E5E">// e.g. /member/edit/3/197/</span>
  return forwardById(MemberEditAction.class, 3, 197);
  
  <span style="color: #3F7E5E">// e.g. /member/3/</span>
  return forwardById(MemberAction.class, 3);
  </pre>
  @param actionType The class type of action that it forwards to. (NotNull)
  @param ids The varying array for IDs. (NotNull)
  @return The HTML response for forward. (NotNull)