There's a warning note in README.md detailing:

Warning - the AnalyzeDocument process from AWS Textract costs $50 per 1,000 PDF pages. Be careful when deploying this CDK stack as you could unintentionally rack up an expensive AWS bill quickly if you're not paying attention.

This might not be enough - if a user finds this project and doesn't read the documentation, they could inadvertently

This line: https://github.com/dapr/components-contrib/blob/fa15dfb7087d757190b25de2221a9461bd93a5ed/state/zookeeper/zk.go#L143

Should check if its an error for a missing key, and if it is return nil, &GetResponse{}