s="tsd-kind-interface">IKeyValuePair</a>.
This function must not modify the collection.</p>
</div><ul class="tsd-parameters"><li class="tsd-parameter-signature"><ul class="tsd-signatures"><li class="tsd-signature"><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