docs: protected Response put(Form formData, URL url) {
          if (formData instanceof GitLabApiForm)
              return (invocation(url, null).put(Entity.entity(formData.asMap(), MediaType.APPLICATION_FORM_URLENCODED_TYPE)));
          else
              return (invocation(url, null).put(Entity.entity(formData, MediaType.APPLICATION_FORM_URLENCODED_TYPE)));
      }