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          <p>Returns true if there is at least one element in this collection.</p>
<p>May be computed by checking if <code>iterator.moveNext()</code> returns <code>true</code>.</p>
        </section>
                <section class="summary source-code" id="source">
          <h2><span>Implementation</span></h2>
          <pre class="language-dart"><code class="language-dart">bool get isNotEmpty =&gt; !isEmpty;</code></pre>
        </section>
</section>
        
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