de aside-warning">
    <p class="aside-title">Warning</p>
    This function may fail in runtime is the font provided by the <code><a href="../Extensions/UIFont.html#/s:So6UIFontC9WolmoCoreE12fontProviderAC0aE0_pSgvpZ">fontProvider</a></code>
property is not a valid one (because it doesn&rsquo;t exist or it isn&rsquo;t added in the bundle).

</div><div class="aside aside-seealso">
    <p class="aside-title">Seealso</p>
    UIFont.fontProvider and <a href="https://developer.apple.com/documentation/uikit/uifon