public Task <TResponse> QueryAsync <TResponse>(PostData body, QuerySqlRequestParameters requestParameters = null, CancellationToken ctx = default) where TResponse : class, IElasticsearchResponse, new() => DoRequestAsync <TResponse>(POST, "_sql", ctx, body, RequestParams(requestParameters));
///<summary>POST on /_sql <para>https://www.elastic.co/guide/en/elasticsearch/reference/current/sql-rest-overview.html</para></summary> ///<param name = "body">Use the `query` element to start a query. Use the `cursor` element to continue a query.</param> ///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param> public TResponse Query <TResponse>(PostData body, QuerySqlRequestParameters requestParameters = null) where TResponse : class, IElasticsearchResponse, new() => DoRequest <TResponse>(POST, "_sql", body, RequestParams(requestParameters));