docs: @Override
      public final Transformer getTransformer(
              HttpServletRequest request, HttpServletResponse response) {
          final Resource stylesheetResource = this.getStylesheetResource(request);
          try {
              return this.xmlUtilities.getTransformer(stylesheetResource);
          } catch (TransformerConfigurationException e) {
              throw new RuntimeException(
                      "Failed to get Transformer for stylesheet: " + stylesheetResource, e);
          } catch (IOException e) {
              throw new RuntimeException("Failed to load stylesheet: " + stylesheetResource, e);
          }
      }