-nav"><a href="../index.html">Up</a> â€“ <a href="../../../../../index.html">infer</a> &#x00BB; <a href="../../../../index.html">ClangFrontend</a> &#x00BB; <a href="../../../index.html">ClangPointers</a> &#x00BB; <a href="../../index.html">Map</a> &#x00BB; <a href="../index.html">Provide_bin_io</a> &#x00BB; Key</nav><header class="odoc-preamble"><h1>Parameter <code><span>Provide_bin_io.Key</span></code></h1></header><div class="odoc-content"><div class="odoc-spec"><div class="spec value anchored" id="v