Sends a request to the AWS Storage Gateway server running at the
            specified address, and returns the activation key for that server.
            The default max retry count and max exponential backoff time will be
            used.
            
 Declaration Syntax
 Declaration Syntax| C# | 
public static string GetActivationKey( string gatewayAddress, RegionEndpoint activationRegion )
 Parameters
 Parameters- gatewayAddress (String)
- The DNS name or IP address of a running AWS Storage Gateway
- activationRegion (RegionEndpoint)
- The region in which the gateway will be activated.
 Return Value
 Return ValueThe activation key required for some API calls to AWS Storage Gateway.
 Remarks
 RemarksMaximum default retry count is 5 attempts, with exponential backoff up to a max of 30 seconds.