ass="keyword">public</span> <span class="keywordtype">long</span> <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1PathOperator.html#a2f3ac7dfdbb0b219d9fedb9a7489d997">Prev</a>(<span class="keywordtype">long</span> node) {</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keywordtype">long</span> ret = <a class="code" href="classGoogle_1_1OrTools_1_1ConstraintSolver_1_1operations__research__constraint__solverPINVOKE.html">operations_resea