lass="operator">?</span></code></th><td><code><span class="type"><a href="/api/ui-react-dom/type-aliases/configuration/extrarowcell/">ExtraRowCell</a></span><span class="punctuation">[</span><span class="punctuation">]</span></code></td><td><p>An optional list of extra Cells to render before the main table Cells.</p></td></tr><tr><th><code>extraCellsAfter<span class="operator">?</span></code></th><td><code><span class="type"><a href="/api/ui-react-dom/type-aliases/configuration/extrarowcell/">ExtraRowCell</