public Task <TResponse> DeleteLifecycleAsync <TResponse>(string policyId, DeleteLifecycleRequestParameters requestParameters = null, CancellationToken ctx = default) where TResponse : class, ITransportResponse, new() => DoRequestAsync <TResponse>(DELETE, Url($"_ilm/policy/{policyId:policyId}"), ctx, null, RequestParams(requestParameters));
///<summary>DELETE on /_ilm/policy/{policy_id} <para>https://www.elastic.co/guide/en/elasticsearch/reference/current/ilm-delete-lifecycle.html</para></summary> ///<param name = "policyId">The name of the index lifecycle policy</param> ///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param> public TResponse DeleteLifecycle <TResponse>(string policyId, DeleteLifecycleRequestParameters requestParameters = null) where TResponse : class, ITransportResponse, new() => DoRequest <TResponse>(DELETE, Url($"_ilm/policy/{policyId:policyId}"), null, RequestParams(requestParameters));