
&nbsp;&nbsp;&nbsp;&nbsp;<span class="keywordsign">|</span>&nbsp;<span class="constructor">Pmty_alias</span>&nbsp;<span class="keyword">of</span>&nbsp;<span class="constructor">Longident</span>.t&nbsp;<span class="constructor">Asttypes</span>.loc<br>
&nbsp;&nbsp;<span class="keyword">and</span>&nbsp;signature&nbsp;=&nbsp;<span class="constructor">Parsetree</span>.signature_item&nbsp;list<br>
&nbsp;&nbsp;<span class="keyword">and</span>&nbsp;signature_item&nbsp;=&nbsp;{<br>
&nbsp;&nbsp;&nbsp;&nbsp;psig_desc&