mple, a radio button is in a mutually exclusive group because
only one radio button in that group can be marked as <a href="dart-ui/SemanticsFlag/isChecked-constant.html">isChecked</a>.</p>
    </section>
        <section class="summary source-code" id="source">
      <h2><span>Implementation</span></h2>
      <pre class="language-dart"><code class="language-dart">static const SemanticsFlag isInMutuallyExclusiveGroup = SemanticsFlag._(_kIsInMutuallyExclusiveGroupIndex)

</code></pre>
    </section>

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