code: @Override
      public MoveSelector buildBaseMoveSelector(HeuristicConfigPolicy configPolicy,
              SelectionCacheType minimumCacheType, boolean randomSelection) {
          EntitySelectorConfig entitySelectorConfig_ = entitySelectorConfig == null ? new EntitySelectorConfig()
                  : entitySelectorConfig;
          EntitySelector entitySelector = entitySelectorConfig_.buildEntitySelector(configPolicy,
                  minimumCacheType, SelectionOrder.fromRandomSelectionBoolean(randomSelection));
          ValueSelectorConfig valueSelectorConfig_ = valueSelectorConfig == null ? new ValueSelectorConfig()
                  : valueSelectorConfig;
          ValueSelector valueSelector = valueSelectorConfig_.buildValueSelector(configPolicy,
                  entitySelector.getEntityDescriptor(),
                  minimumCacheType, SelectionOrder.fromRandomSelectionBoolean(randomSelection));
          return new TailChainSwapMoveSelector(entitySelector, valueSelector, randomSelection);
      }
docs: ************************************************************************