essionStore/index.html">SessionStore</a> = <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><div class="spec module-type" id="module-type-Arg"><a href="#module-type-Arg" class="anchor"></a><code><span class="keyword">module</span> <span class="keyword">type</span> <a href="module-type-Arg/index.html">Arg</a> = <span class="keyword">sig</span> ... <span class="keyword">end</span></code></div><dl><dt class="spec value" id="val-default_check_foreign"><a href="#val-default_check