span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</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#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">V<