docs: private void processRules(RI ruleInput) {
          switch (ruleToResultHandlerMapping) {
              case SPLIT:
                  processEachRuleWithEachResultHandler(ruleInput);
                  break;
              case JOIN:
                  processAllRulesWithEachResultHandler(ruleInput);
                  break;
              default:
                  LOGGER.error("Unsupported " + MappingStrategy.class.getSimpleName() + ": " +
                          ruleToResultHandlerMapping);
          }
      }