  <span class="name"><a href="../dart-collection/UnmodifiableMapView/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><wbr><span class="parameter" id="[]=-param-value"><span class="type-annotation">V</span> <span class="parameter-name">value</span></span><wbr>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
            