Retrieves the fleet ID that a specified alias is currently pointing to.
/// The service encountered an unrecoverable internal failure while processing the request.
/// Clients can retry such requests immediately or after a waiting period.
///
/// One or more parameter values in the request are invalid. Correct the invalid parameter
/// values before retrying.
///
/// A service resource associated with the request could not be found. Clients should
/// not retry such requests.
///
/// The service is unable to resolve the routing for a particular alias because it has
/// a terminal
RoutingStrategy associated with it. The message returned in this
/// exception is the message defined in the routing strategy itself. Such requests should
/// only be retried if the routing strategy for the specified alias is modified.
///
/// The client failed authentication. Clients should not retry such requests.
///