tml" title="Permalink">
        <i class="material-icons"></i>
      </a>
    </span>
      <span class="modifier_kind">
        <span class="modifier"></span>
        <span class="kind">class</span>
      </span>
      <span class="symbol">
        <a title="" href="SimpleRelBuilder.html"><span class="name">SimpleRelBuilder</span></a><span class="result"> extends <span class="extype" name="org.apache.calcite.tools.RelBuilder">RelBuilder</span></span>
      </span>
      
      <p class="shortcomment cmt