<span class="constructor">OpamFilename</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;t&nbsp;option<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;list&nbsp;:&nbsp;<span class="constructor">OpamFilename</span>.<span class="constructor">Dir</span>.t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Set</span>.t<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;prefixes&nbsp;:&nbsp;<span class="constructor">OpamFilename</span>.<span class="constructor">Dir</span>