 class="signature">(<wbr><span class="parameter" id="contains-param-element"><span class="type-annotation">Object</span> <span class="parameter-name">element</span></span>)
                      &#8594;
                      <span class="returntype">bool</span>
                  </span>
              </dt>
              <dd>
                  <div>
                    <span class="is-inherited">inherited</span>
                  </div>
                  Returns true if the collection contains an element equ