ass="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><h5><span class="tsd-kind-parameter">func</span>: <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">a</span><span class="tsd-signature-symbol">: </span><a href="IKeyValuePair.html" class="tsd-signature-type tsd-kind-interface">IKeyValuePair</a><span class="tsd-signature-symbol">&lt;</span><a class="tsd-signature-type tsd-kind-type-parameter" href="Map.html#constru