"tsd-signature-symbol">?:</span> <span class="tsd-signature-type">string</span></div><aside class="tsd-sources"><ul><li>Defined in configuration.ts:21</li></ul></aside></section><section class="tsd-panel tsd-member"><a id="formdatactor" class="tsd-anchor"></a><h3 class="tsd-anchor-link"><code class="tsd-tag">Optional</code><span>form<wbr/>Data<wbr/>Ctor</span><a href="#formdatactor" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="../assets/icons.svg#icon-anchor"></use></sv