tools</a>.<a class="code" href="namespacecom_1_1google_1_1ortools_1_1sat.html">sat</a>.<a class="code" href="classcom_1_1google_1_1ortools_1_1sat_1_1IntervalConstraintProto.html">IntervalConstraintProto</a>;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>
<div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="classcom_1_1google_1_1ortools_1_1sat_1_1IntervalVar.html">   21</a></span>&#160;<span class="keyword">public</span> <span class="k