keyword">data</span> <span class="keyword">class </span><span class="identifier">Submission</span>&nbsp;<span class="symbol">:</span>&nbsp;<a href="../-contribution/index.html"><span class="identifier">Contribution</span></a><span class="symbol">, </span><a href="./index.html"><span class="identifier">Votable</span></a><span class="symbol">, </span><a href="../-saveable/index.html"><span class="identifier">Saveable</span></a><span class="symbol">, </span><a href="../-created/index.html"><span class="identif