rAndUpperBoundWhenItem</a>(int item_id, bool is_item_in, int64 *lower_bound, int64 *upper_bound) override</td><td class="entry"><a class="el" href="classoperations__research_1_1KnapsackGenericSolver.html">KnapsackGenericSolver</a></td><td class="entry"><span class="mlabel">virtual</span></td></tr>
  <tr><td class="entry"><a class="el" href="classoperations__research_1_1BaseKnapsackSolver.html#ae194e7bee4a383e5ee6c8ed341b49b7e">GetName</a>() const</td><td class="entry"><a class="el" href="classoperations__re