Get Game Server Group Result
constructor(autoScalingGroupArn: String? = null, balancingStrategy: GameServerGroupBalancingStrategy? = null, gameServerGroupArn: String? = null, gameServerGroupName: String? = null, gameServerProtectionPolicy: GameServerGroupGameServerProtectionPolicy? = null, instanceDefinitions: List<GameServerGroupInstanceDefinition>? = null, roleArn: String? = null)