t;<wbr><span class="type-parameter"><a href="dart-core/MapEntry-class.html">MapEntry</a><span class="signature">&lt;<wbr><span class="type-parameter">K</span>, <span class="type-parameter">V</span>&gt;</span></span>&gt;</span></span> <span class="parameter-name">newEntries</span></span>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
                  </dt>
        <dd>
          Adds all key/value pairs of <code>newEntries</code> to this map. <a href="dart-collection/M