public Task <TResponse> PutAsync <TResponse>(string transformId, PostData body, PutTransformRequestParameters requestParameters = null, CancellationToken ctx = default)
     where TResponse : class, ITransportResponse, new() => DoRequestAsync <TResponse>(PUT, Url($"_transform/{transformId:transformId}"), ctx, body, RequestParams(requestParameters));
 ///<summary>PUT on /_transform/{transform_id} <para>https://www.elastic.co/guide/en/elasticsearch/reference/current/put-transform.html</para></summary>
 ///<param name = "transformId">The id of the new transform.</param>
 ///<param name = "body">The transform definition</param>
 ///<param name = "requestParameters">Request specific configuration such as querystring parameters &amp; request specific connection settings.</param>
 public TResponse Put <TResponse>(string transformId, PostData body, PutTransformRequestParameters requestParameters = null)
     where TResponse : class, ITransportResponse, new() => DoRequest <TResponse>(PUT, Url($"_transform/{transformId:transformId}"), body, RequestParams(requestParameters));