/// <summary>
 /// Determines whether this instance has state changes.
 /// </summary>
 /// <returns>
 ///   <c>true</c> if this instance has state changes; otherwise, <c>false</c>.
 /// </returns>
 public bool HasChanges()
 {
     return(_recorder.Any());
 }
 /// <summary>
 ///     Determines whether this instance has state changes.
 /// </summary>
 /// <returns>
 ///     <c>true</c> if this instance has state changes; otherwise, <c>false</c>.
 /// </returns>
 public bool HasChanges() => _recorder.Any();