///<summary>POST on /_security/user/{user}/_has_privileges <para>https://www.elastic.co/guide/en/elasticsearch/reference/current/security-api-has-privileges.html</para></summary>
///<param name = "user">Username</param>
///<param name = "body">The privileges to test</param>
///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param>
public Task <TResponse> HasPrivilegesAsync <TResponse>(string user, PostData body, HasPrivilegesRequestParameters requestParameters = null, CancellationToken ctx = default)
where TResponse : class, IElasticsearchResponse, new() => DoRequestAsync <TResponse>(POST, Url($"_security/user/{user:user}/_has_privileges"), ctx, body, RequestParams(requestParameters));
///<summary>POST on /_security/user/{user}/_has_privileges <para>https://www.elastic.co/guide/en/elasticsearch/reference/current/security-api-has-privileges.html</para></summary>
///<param name = "user">Username</param>
///<param name = "body">The privileges to test</param>
///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param>
public TResponse HasPrivileges <TResponse>(string user, PostData body, HasPrivilegesRequestParameters requestParameters = null)
where TResponse : class, IElasticsearchResponse, new() => DoRequest <TResponse>(POST, Url($"_security/user/{user:user}/_has_privileges"), body, RequestParams(requestParameters));
