keyword">using</span> System.Collections;</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="keyword">using</span> System.Collections.Generic;</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160; </div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1PathOperator.html">   18</a></span>&#160;<span class="keyword">public</span> <span class="keyword">part