r</code> is provided when using the <a href="/api/indexes/interfaces/indexes/indexes/methods/listener/addindexidslistener/"><code>addIndexIdsListener</code></a> method. See that method for specific examples.</p><p>When called, an <code>IndexIdsListener</code> is given a reference to the <a href="/api/indexes/interfaces/indexes/indexes/"><code>Indexes</code></a> object.</p><section class="s2"><h2>Since</h2><p>v1.0.0</p></section></section>