mation.

</div>
<div class="aside aside-throws">
    <p class="aside-title">Throws</p>
    <code><a href="../Classes/BlocklyError.html">BlocklyError</a></code>: Thrown if no suitable <code><a href="../Classes/MutatorLayout.html">MutatorLayout</a></code> could be found for the <code>mutator</code>.

</div>

                      </div>
                      <div class="declaration">
                        <h4>Declaration</h4>
                        <div class="objc">
                          <p class="asi