ameter-name">action</span>(<span class="parameter" id="action-param-key"><span class="type-annotation">K</span> <span class="parameter-name">key</span>, </span> <span class="parameter" id="action-param-value"><span class="type-annotation">V</span> <span class="parameter-name">value</span></span>)</span>)
            <span class="returntype parameter">&#8594; void</span>
          </span>
                  </dt>
        <dd>
          Applies <code>f</code> to each key/value pair of the map. <a href="dart-co