AWSEC2ModifyAvailabilityZoneOptInStatus

NS_ENUM(NSInteger, AWSEC2ModifyAvailabilityZoneOptInStatus) {
    AWSEC2ModifyAvailabilityZoneOptInStatusUnknown,
    AWSEC2ModifyAvailabilityZoneOptInStatusOptedIn,
    AWSEC2ModifyAvailabilityZoneOptInStatusNotOptedIn,
}

Undocumented