///<summary>PUT on /_security/user/{username}/_enable <para>https://www.elastic.co/guide/en/elasticsearch/reference/current/security-api-enable-user.html</para></summary>
///<param name = "username">The username of the user to enable</param>
///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param>
public Task <TResponse> EnableUserAsync <TResponse>(string username, EnableUserRequestParameters requestParameters = null, CancellationToken ctx = default)
where TResponse : class, IElasticsearchResponse, new() => DoRequestAsync <TResponse>(PUT, Url($"_security/user/{username:username}/_enable"), ctx, null, RequestParams(requestParameters));
///<summary>PUT on /_security/user/{username}/_enable <para>https://www.elastic.co/guide/en/elasticsearch/reference/current/security-api-enable-user.html</para></summary>
///<param name = "username">The username of the user to enable</param>
///<param name = "requestParameters">Request specific configuration such as querystring parameters & request specific connection settings.</param>
public TResponse EnableUser <TResponse>(string username, EnableUserRequestParameters requestParameters = null)
where TResponse : class, IElasticsearchResponse, new() => DoRequest <TResponse>(PUT, Url($"_security/user/{username:username}/_enable"), null, RequestParams(requestParameters));