><div class="spec-doc"><p>Configuration values: either constant, determined at compile time, or set at startup time by system calls, environment variables, or command line options</p></div></div><div class="odoc-spec"><div class="spec module anchored" id="module-CostIssues"><a href="#module-CostIssues" class="anchor"></a><code><span><span class="keyword">module</span> <a href="CostIssues/index.html">CostIssues</a></span><span> : <span class="keyword">sig</span> ... <span class="keyword">end</span></span></c