dule" class="def variant constructor anchored"><a href="#type-simple_form.Module" class="anchor"></a><code><span>| </span><span><span class="constructor">Module</span> <span class="keyword">of</span> string</span></code></li><li id="type-simple_form.Attribute" class="def variant constructor anchored"><a href="#type-simple_form.Attribute" class="anchor"></a><code><span>| </span><span><span class="constructor">Attribute</span> <span class="keyword">of</span> <a href="#type-attribute">attribute</a></span></cod