                    <p>Reference to type name where the method is defined,
nil if defined outside of any <code>enum</code>, <code>struct</code>, <code>class</code> etc</p>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="language">
                          <p class="aside-title">Swift</p>
                          <pre class="highlight"><code><span class="kd">public</span> <span class="k">let</span