public SourceSymbolIndex(ISourceSymbolProviderSelector symbolProviderSelector, IObservableX <IFileNotification> sourceFileNotifications, ILogger logger)
 {
     _sourceFileNotifications = sourceFileNotifications;
     _logger = logger;
     _symbolProviderSelector = symbolProviderSelector;
 }
		public SourceSymbolIndex(ISourceSymbolProviderSelector symbolProviderSelector, IObservableX<IFileNotification> sourceFileNotifications, ILogger logger)
		{
			_sourceFileNotifications = sourceFileNotifications;
			_logger = logger;
			_symbolProviderSelector = symbolProviderSelector;
		}