&nbsp;:&nbsp;elt&nbsp;list&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;to_string&nbsp;:&nbsp;t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;string<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="keyword">val</span>&nbsp;to_json&nbsp;:&nbsp;t&nbsp;<span class="keywordsign">-&gt;</span>&nbsp;<span class="constructor">OpamJson</span>.t<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&