/// <summary>
 /// Initializes a new instance of the <see cref="GooglUrlShorteningService"/> class.
 /// </summary>
 /// <param name="logger">
 /// The logger.
 /// </param>
 /// <param name="shortUrlCacheRepository">
 /// The short url cache repository.
 /// </param>
 /// <param name="configurationHelper">
 /// The configuration Helper.
 /// </param>
 public GooglUrlShorteningService(
     ILogger logger, 
     IShortUrlCacheRepository shortUrlCacheRepository, 
     IConfigurationHelper configurationHelper)
     : base(logger, shortUrlCacheRepository, configurationHelper)
 {
 }
 /// <summary>
 /// Initializes a new instance of the <see cref="UrlShorteningServiceBase"/> class.
 /// </summary>
 /// <param name="logger">
 /// The logger.
 /// </param>
 /// <param name="shortUrlCacheRepository">
 /// The short url cache repository.
 /// </param>
 /// <param name="configurationHelper">
 /// The configuration Helper.
 /// </param>
 protected UrlShorteningServiceBase(
     ILogger logger, 
     IShortUrlCacheRepository shortUrlCacheRepository, 
     IConfigurationHelper configurationHelper)
 {
     this.logger = logger;
     this.shortUrlCacheRepository = shortUrlCacheRepository;
     this.configurationHelper = configurationHelper;
 }