/// <summary>
 /// Gets service bus connection string. This method returns null.
 /// </summary>
 /// <param name="serviceBusInstanceType">Service bus instance type</param>
 /// <returns>returns null</returns>
 public Task <string> GetServiceBusConnectionString(ServiceBusInstanceType serviceBusInstanceType)
 {
     return(null);
 }
 /// <summary>
 /// Gets service bus connection string
 /// </summary>
 /// <param name="serviceBusInstanceType">Service bus instance type</param>
 /// <returns>service bus connection string</returns>
 public async Task <string> GetServiceBusConnectionString(ServiceBusInstanceType serviceBusInstanceType)
 {
     return(await this.settingsReader.ReadValueAsync("ServiceBusConnectionString"));
 }