tProto</a>.<a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1ConstraintProto_1_1Builder.html">Builder</a> ct = modelBuilder.addConstraintsBuilder();</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    ct.setName(name);</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    ct.addEnforcementLiteral(isPresentIndex);</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    this.intervalBuilder = ct.g