code: @Deprecated
    public RequestTemplate append(CharSequence value) {
      /* proxy to url */
      if (this.uriTemplate != null) {
        return this.uri(value.toString(), true);
      }
      return this.uri(value.toString());
    }
docs: Append the value to the template.
  <p>
  This method is poorly named and is used primarily to store the relative uri for the request. It
  has been replaced by {@link RequestTemplate#uri(String)} and will be removed in a future
  release.
  </p>
  
  @param value to append.
  @return a RequestTemplate for chaining.
  @deprecated see {@link RequestTemplate#uri(String, boolean)}