AWS CDK apigatewayv2 doesn't include "HttpApi" as docs claim

Question

I want to create an API Gateway. I noticed there are 2 versions. and seems like aws is migrating towards the HTTP rather than the REST option. So i decided to go with that. 
I'm following the python docs: https://docs.aws.amazon.com/cdk/api/v1/python/aws_cdk.aws_apigatewayv2/HttpApi.html

I imported: `import aws_cdk.aws_apigatewayv2 as _apigw`
but `api = _apigw.HttpApi(...)`: "HttpApi" class doesn't even exist.

Someone should urgently handle the mess going on between the v1, v2, and integration/alpha/whatever. Didn't find a way to flag this anywhere.

my requirements.txt file: 
```
aws-cdk-lib==2.63.0
constructs>=10.0.0,<11.0.0
```

Answer

The Construct Library for the HTTP API is currently in experimental status.  
https://docs.aws.amazon.com/cdk/api/v2/python/aws_cdk.aws_apigatewayv2_alpha/README.html

Experimental modules need to be installed one by one in CDK v2.  
So try adding `aws-cdk.aws-apigatewayv2-alpha` to requirements.txt

Please refer to this blog as well.  
https://aws.amazon.com/jp/blogs/developer/experimental-construct-libraries-are-now-available-in-aws-cdk-v2/

HTTP APIs are designed with minimal features so that they can be offered at a lower price.  
Therefore, there are some functional differences from the REST API.  
It would be best to choose the HTTP API when you don't need the functions included in the REST API.  
https://docs.aws.amazon.com/apigateway/latest/developerguide/http-api-vs-rest.html

AWS CDK apigatewayv2 doesn't include "HttpApi" as docs claim

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