yword">val</span> equal_json_trace_item : <span><a href="#type-json_trace_item">json_trace_item</a> <span class="arrow">&#45;&gt;</span></span> <span><a href="#type-json_trace_item">json_trace_item</a> <span class="arrow">&#45;&gt;</span></span> bool</span></code></div></div><div class="odoc-spec"><div class="spec type anchored" id="type-config_usage_extra"><a href="#type-config_usage_extra" class="anchor"></a><code><span><span class="keyword">type</span> config_usage_extra</span><span> = <a href="../Jsonbu