">infer</a> &#x00BB; <a href="../index.html">Backend</a> &#x00BB; Callbacks</nav><header class="odoc-preamble"><h1>Module <code><span>Backend.Callbacks</span></code></h1><p>Module to register and invoke checkers' callbacks.</p></header><div class="odoc-content"><div class="odoc-spec"><div class="spec type" id="type-proc_callback_args" class="anchored"><a href="#type-proc_callback_args" class="anchor"></a><code><span><span class="keyword">type</span> proc_callback_args</span><span> = </span><span>{</span></c