ion">
                <div class="language">
                  <pre class="highlight"><code><span class="kd">public</span> <span class="kd">protocol</span> <span class="kt">BlockListener</span><span class="p">:</span> <span class="kd">class</span></code></pre>

                </div>
              </div>
            <p>Protocol for events that occur on a <code><a href="../Classes/Block.html">Block</a></code> instance.</p>

          </section>
          <section class="section task-group-section">
         