public Task <TResponse> DeletePipelineAsync <TResponse>(string id, DeletePipelineRequestParameters requestParameters = null, CancellationToken ctx = default)
     where TResponse : class, IOpenSearchResponse, new() => DoRequestAsync <TResponse>(DELETE, Url($"_ingest/pipeline/{id:id}"), ctx, null, RequestParams(requestParameters));
 ///<summary>DELETE on /_ingest/pipeline/{id} <para></para></summary>
 ///<param name = "id">Pipeline ID</param>
 ///<param name = "requestParameters">Request specific configuration such as querystring parameters &amp; request specific connection settings.</param>
 public TResponse DeletePipeline <TResponse>(string id, DeletePipelineRequestParameters requestParameters = null)
     where TResponse : class, IOpenSearchResponse, new() => DoRequest <TResponse>(DELETE, Url($"_ingest/pipeline/{id:id}"), null, RequestParams(requestParameters));