anager</span> property 
    <a href="https://dart.dev/null-safety" class="feature feature-null-safety" title="Supports the null safety language feature.">Null safety</a>
</h1></div>

        <section class="multi-line-signature">
          <a href="../../state_machine_animation/TickerManager-class.html">TickerManager</a>
          <span class="name ">tickerManager</span>
          <div class="features">final</div>

        </section>
        

        
<section class="summary source-code" id="source">
  <h2