code: public static boolean matchConsumes(InternalRoute route, InternalRequest<?> request) {
          if (route.getConsumes().contains(WILDCARD)) {
              return true;
          }
  
          return route.getConsumes().contains(request.getContentType());
      }
docs: Matches route consumes configurer and Content-Type header in an incoming provider
  
  @param route   route configurer
  @param request incoming provider object
  @return returns {@code true} if the given route has consumes Media-Type one of a Content-Type from an incoming provider