ryOperator.Negate</span></a> (implements java.io.Serializable)</li>
</ul>
</li>
<li class="circle">hydra.pg.query.<a href="Variable.html" title="class in hydra.pg.query"><span class="typeNameLink">Variable</span></a> (implements java.io.Serializable)</li>
<li class="circle">hydra.pg.query.<a href="VertexPattern.html" title="class in hydra.pg.query"><span class="typeNameLink">VertexPattern</span></a> (implements java.io.Serializable)</li>
</ul>
</li>
</ul>
</section>
<section role="region">
<h2 title="Interf