code: protected HtmlResponse redirectByParam(Class<?> actionType, Object... params) {
          assertArgumentNotNull("actionType", actionType);
          assertArgumentNotNull("params", params);
          return redirectWith(actionType, params(params));
      }
docs: Redirect to the action (index method) by the parameters on GET.
  <pre>
  <span style="color: #3F7E5E">// e.g. /member/edit/?foo=3</span>
  return redirectByParam(MemberEditAction.class, "foo", 3);
  
  <span style="color: #3F7E5E">// e.g. /member/edit/?foo=3&amp;bar=qux</span>
  return redirectByParam(MemberEditAction.class, "foo", 3, "bar", "qux");
  
  <span style="color: #3F7E5E">// e.g. /member/?foo=3</span>
  return redirectByParam(MemberAction.class, "foo", 3);
  </pre>
  @param actionType The class type of action that it redirects to. (NotNull)
  @param params The varying array for the parameters on GET. (NotNull)
  @return The HTML response for redirect. (NotNull)