s-title">Parameters</h4><ul class="tsd-parameter-list"><li><h5><code class="tsd-tag ts-flagOptional">Optional</code> <span class="tsd-kind-parameter">coll</span>: <a href="Map.html" class="tsd-signature-type tsd-kind-class">Map</a><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="Map.html#constructor.new_Map.K-1">K</a><span class="tsd-signature-symbol">, </span><a class="tsd-signature-type tsd-kind-type-parameter" href="Map.html#constructor.new_Map.V-1