e></h1><p>The <code>IndexIdsListener</code> type describes a function that is used to listen to <a href="/api/indexes/type-aliases/concept/index/"><code>Index</code></a> definitions being added or removed.</p><pre><code><span class="punctuation">(</span>indexes<span class="operator">:</span> <span class="type"><a href="/api/indexes/interfaces/indexes/indexes/">Indexes</a></span><span class="punctuation">)</span><span class="operator">:</span> <span class="keyword">void</span></code></pre><div class="table">