code: public static <D extends DifferenceEngineConfigurer<D>>
          D withPlaceholderSupportChainedAfter(D configurer, DifferenceEvaluator evaluator) {
          return withPlaceholderSupportUsingDelimitersChainedAfter(configurer, null, null, evaluator);
      }
docs: Adds placeholder support to a {@link DifferenceEngineConfigurer} considering an additional {@link DifferenceEvaluator}.
  
  @param configurer the configurer to add support to
  @param evaluator the additional evaluator - placeholder support is
  {@link DifferenceEvaluators#chain chain}ed after the given
  evaluator