/// <summary>
 /// Get null as date-time, should be disallowed or throw depending on
 /// representation of date-time
 /// </summary>
 /// <param name='operations'>
 /// The operations group for this extension method.
 /// </param>
 /// <param name='dateTimePath'>
 /// null as date-time
 /// </param>
 public static void DateTimeNull(this IPaths operations, System.DateTime dateTimePath)
 {
     operations.DateTimeNullAsync(dateTimePath).GetAwaiter().GetResult();
 }