public Task <TResponse> PostAsync <TResponse>(PostData body, PostLicenseRequestParameters requestParameters = null, CancellationToken ctx = default)
     where TResponse : class, ITransportResponse, new() => DoRequestAsync <TResponse>(PUT, "_license", ctx, body, RequestParams(requestParameters));
 ///<summary>PUT on /_license <para>https://www.elastic.co/guide/en/elasticsearch/reference/master/update-license.html</para></summary>
 ///<param name = "body">licenses to be installed</param>
 ///<param name = "requestParameters">Request specific configuration such as querystring parameters &amp; request specific connection settings.</param>
 public TResponse Post <TResponse>(PostData body, PostLicenseRequestParameters requestParameters = null)
     where TResponse : class, ITransportResponse, new() => DoRequest <TResponse>(PUT, "_license", body, RequestParams(requestParameters));