code: @Deprecated
    public RequestTemplate bodyTemplate(String bodyTemplate) {
      this.body(Request.Body.bodyTemplate(bodyTemplate, Util.UTF_8));
      return this;
    }
docs: Specify the Body Template to use. Can contain literals and expressions.
  
  @param bodyTemplate to use.
  @return a RequestTemplate for chaining.
  @deprecated replaced by {@link RequestTemplate#body(feign.Request.Body)}