/// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="statusCode">HTTP Status Code.</param>
 /// <param name="message">Error Message.</param>
 /// <param name="innerException">Inner Exception.</param>
 /// <param name="error">Error content.</param>
 public LineMessagingException(HttpStatusCode statusCode, string message, Exception innerException, LineMessagingError error = null)
     : base(message, innerException)
 {
     StatusCode = statusCode;
 }
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="statusCode">HTTP Status Code.</param>
 /// <param name="message">Error Message.</param>
 /// <param name="error">Error content.</param>
 public LineMessagingException(HttpStatusCode statusCode, string message, LineMessagingError error = null)
     : base(message)
 {
     StatusCode = statusCode;
     Error      = error;
 }