null</span> <span class="tsd-signature-symbol">|</span>
                      <span class="tsd-signature-type">number</span>
                    </h4>
                    <aside class="tsd-sources">
                      <p>
                        Overrides <a href="NumberIndicatorSeries.html">NumberIndicatorSeries</a>.<a
                          href="NumberIndicatorSeries.html#update"
                          >update</a
                        >
                      </p>
                      <ul>
   