When boto updates: https://github.com/boto/botocore/commit/d9d692f7a350417480f8eb9592d8b0c936b6825a
Or the AWS GO SDK updates: https://github.com/aws/aws-sdk-go-v2/pull/1507
Where are the original models?
Is it the CloudFormation resource provider schemas?
After a frantic search it would appear to be an XML based Coral is how AWS sources a service.
With the future to be https://awslabs.github.io/smithy/ ?