nal" class="anchor"></a><code><span>| </span><span><span class="constructor">CopyToOptional</span></span></code></li><li id="type-t.CopyInGetDefault" class="def variant constructor anchored"><a href="#type-t.CopyInGetDefault" class="anchor"></a><code><span>| </span><span><span class="constructor">CopyInGetDefault</span></span></code></li></ol></div></div><div class="odoc-include"><details open="open"><summary class="spec include"><code><span><span class="keyword">include</span> <span class="xref-unresolved"