 <div class="abstract">
                        <p>Allow messages.</p>

                      </div>
                      <h4>Default Implementation</h4>
                      <div class="default_impl abstract">
                        <p>Represents all possible <q>allow</q> buttons in system service messages.</p>

                      </div>
                    </section>
                  </div>
                </li>
                <li class="item">
                  <div>
                    <code>
 