ap<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;add_use_file&nbsp;:<br>
&nbsp;&nbsp;&nbsp;&nbsp;<span class="constructor">Depend</span>.bound_map&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">Parsetree</span>.toplevel_phrase&nbsp;list&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;unit<br>
&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;add_signature&nbsp;:&nbsp;<span class="constructor">Depend</span>.bound_map&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span 