"signature">&lt;RK, RV&gt;</span><span class="signature">(<wbr>)
            <span class="returntype parameter">&#8594; <a href="dart-core/Map-class.html">Map</a><span class="signature">&lt;RK, RV&gt;</span></span>
          </span>
        </dt>
        <dd class="inherited">
          Provides a view of this map as having <code>RK</code> keys and <code>RV</code> instances,
if necessary. <a href="dart-core/Map/retype.html">[...]</a>
          <div class="features">inherited</div>
</dd>
        <dt id="toSt