[JAVA] generating Map with jaxrs-reasteasy does not import the hashmap #8876
Description
Description
The description is the same as #8168 but for the jaxrs-resteasy generator.
Swagger-codegen version
3.3.1
Swagger declaration file content or url
See #8168 .
Command line used for generation
Steps to reproduce
Related issues/PRs
Suggest a fix/enhancement
The fix should be like the one for #8168 .