span></a>&lt;R&gt;
<ul>
<li class="circle">hydra.pg.query.<a href="BinaryOperator.PartialVisitor.html" title="interface in hydra.pg.query"><span class="typeNameLink">BinaryOperator.PartialVisitor</span></a>&lt;R&gt;</li>
</ul>
</li>
<li class="circle">hydra.pg.query.<a href="ComparisonOperator.Visitor.html" title="interface in hydra.pg.query"><span class="typeNameLink">ComparisonOperator.Visitor</span></a>&lt;R&gt;
<ul>
<li class="circle">hydra.pg.query.<a href="ComparisonOperator.PartialVisitor.html" title