///<summary>POST on /_tasks/{task_id}/_cancel <para>http://www.elastic.co/guide/en/elasticsearch/reference/master/tasks.html</para></summary>
///<param name = "taskId">Cancel the task with specified task id (node_id:task_number)</param>
///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param>
public Task <TResponse> CancelAsync <TResponse>(string taskId, CancelTasksRequestParameters requestParameters = null, CancellationToken ctx = default)
where TResponse : class, IElasticsearchResponse, new() => DoRequestAsync <TResponse>(POST, Url($"_tasks/{taskId:taskId}/_cancel"), ctx, null, RequestParams(requestParameters));
///<summary>POST on /_tasks/_cancel <para>http://www.elastic.co/guide/en/elasticsearch/reference/master/tasks.html</para></summary>
///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param>
public TResponse Cancel <TResponse>(CancelTasksRequestParameters requestParameters = null)
where TResponse : class, IElasticsearchResponse, new() => DoRequest <TResponse>(POST, "_tasks/_cancel", null, RequestParams(requestParameters));
///<summary>POST on /_tasks/{task_id}/_cancel <para>http://www.elastic.co/guide/en/elasticsearch/reference/master/tasks.html</para></summary>
///<param name = "taskId">Cancel the task with specified task id (node_id:task_number)</param>
///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param>
public TResponse Cancel <TResponse>(string taskId, CancelTasksRequestParameters requestParameters = null)
where TResponse : class, IElasticsearchResponse, new() => DoRequest <TResponse>(POST, Url($"_tasks/{taskId:taskId}/_cancel"), null, RequestParams(requestParameters));
public Task <TResponse> CancelAsync <TResponse>(CancelTasksRequestParameters requestParameters = null, CancellationToken ctx = default)
where TResponse : class, ITransportResponse, new() => DoRequestAsync <TResponse>(POST, "_tasks/_cancel", ctx, null, RequestParams(requestParameters));
