icons.svg#icon-anchor"></use></svg></a></h3><div class="tsd-signature"><span class="tsd-kind-property">picture</span><span class="tsd-signature-symbol">?:</span> <span class="tsd-signature-type">string</span></div><aside class="tsd-sources"><ul><li>Defined in node_modules/@auth0/auth0-spa-js/dist/typings/global.d.ts:565</li></ul></aside></section><section class="tsd-panel tsd-member tsd-is-external"><h3 class="tsd-anchor-link" id="preferred_username"><code class="tsd-tag">Optional</code><span>preferred_<wbr