>const SemanticsFlag._(_kIsLiveRegionIndex)</span>
    </section>

    <section class="desc markdown">
      <p>Whether the semantics node is a live region.</p>
<p>A live region indicates that updates to semantics node are important.
Platforms may use this information to make polite announcements to the
user to inform them of updates to this node.</p>
<p>An example of a live region is a <code>SnackBar</code> widget. On Android, A live
region causes a polite announcement to be generated automatically, even
i