docs: public <TRO> TransformedRuleContext<DPO, RI, RO, TRO> transform(Transformer<Collection<RO>,
              TRO> resultHandlerInputTransformer) {
          List<Transformer> transformers = new ArrayList<Transformer>();
          if (resultHandlerInputTransformer != null) {
              transformers.add(resultHandlerInputTransformer);
          }
  
          return new TransformedRuleContext<DPO, RI, RO, TRO>(addedTriggers, addedDataProviders,
                  dataProviderToRuleMapping, addedRuleInputTransformers, addedRules,
                  GeneralValidator.MappingStrategy.JOIN, transformers);
      }