docs: public List<BindingInfo> getBindingsBySource(String vhost, String exchange) {
      final String x = exchange.equals("") ? "amq.default" : exchange;
      final URI uri = uriWithPath("./exchanges/" + encodePathSegment(vhost) +
          "/" + encodePathSegment(x) + "/bindings/source");
      return Arrays.asList(this.rt.getForObject(uri, BindingInfo[].class));
    }