atures">override</div>
</dd>
        <dt id="operator []=" class="callable">
          <span class="name"><a href="dart-collection/MapMixin/operator_put.html">operator []=</a></span><span class="signature">(<wbr><span class="parameter" id="[]=-param-key"><span class="type-annotation">K</span> <span class="parameter-name">key</span>, </span> <span class="parameter" id="[]=-param-value"><span class="type-annotation">V</span> <span class="parameter-name">value</span></span>)
            <span class="returntype