code: public static boolean isRetryableException(Exception exception)
  	{
  		if (exception == null)
  		{
  			throw new IllegalArgumentException("exception cannot be null");
  		}
  
  		if (exception instanceof ServiceBusException)
  		{
  			return ((ServiceBusException) exception).getIsTransient();
  		}
  
  		return false;
  	}
docs: Determines if an exception is retry-able or not. Only transient exceptions should be retried.
  @param exception exception encountered by an operation, to be determined if it is retry-able.
  @return true if the exception is retry-able (like ServerBusy or other transient exception), else returns false