/span> verbatim_desc : <span><span class="optlabel">?suggestion</span>:string <span class="arrow">&#45;&gt;</span></span> <span>string <span class="arrow">&#45;&gt;</span></span> <a href="#type-error_desc">error_desc</a></span></code></div><div class="spec-doc"><p>verbatim desc from a string and suggestion, not to be used for user-visible descs</p></div></div><div class="odoc-spec"><div class="spec module anchored" id="module-BucketLevel"><a href="#module-BucketLevel" class="anchor"></a><code><span><span cl