e-type">this</span></h4>
						</li>
					</ul>
				</section>
				<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-class tsd-is-overwrite tsd-is-inherited">
					<a name="prependoncelistener" class="tsd-anchor"></a>
					<h3>prepend<wbr>Once<wbr>Listener</h3>
					<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-class tsd-is-overwrite tsd-is-inherited">
						<li class="tsd-signature tsd-kind-icon">prepend<wbr>Once<wbr>Listener<span class="tsd-signature-symbol">(</span>event<sp