ass="keyword">module</span> <a href="BucketLevel/index.html">BucketLevel</a></span><span> : <span class="keyword">sig</span> ... <span class="keyword">end</span></span></code></div></div><div class="odoc-spec"><div class="spec value anchored" id="val-error_desc_get_bucket"><a href="#val-error_desc_get_bucket" class="anchor"></a><code><span><span class="keyword">val</span> error_desc_get_bucket : <span><a href="#type-error_desc">error_desc</a> <span class="arrow">&#45;&gt;</span></span> <span>string option</