l</span>
    <span class="c1">#: capacity and glitch may occur.</span>
    <span class="n">render_capacity</span><span class="p">:</span> <span class="nb">float</span>

    <span class="c1">#: A running mean of callback interval.</span>
    <span class="n">callback_interval_mean</span><span class="p">:</span> <span class="nb">float</span>

    <span class="c1">#: A running variance of callback interval.</span>
    <span class="n">callback_interval_variance</span><span class="p">:</span> <span class="nb">flo