ss="type-parameter">RV</span>&gt;</span> method</h1></div>

    <section class="multi-line-signature">
      <span class="returntype"><a href="../../dart-core/Map-class.html">Map</a><span class="signature">&lt;<wbr><span class="type-parameter">RK</span>, <span class="type-parameter">RV</span>&gt;</span></span>
            <span class="name ">cast</span>
&lt;<wbr><span class="type-parameter">RK</span>, <span class="type-parameter">RV</span>&gt;(<wbr>)
      <div class="features">override</div>
    </section>