[JAVA] how can I generate rest service impl class will Valid annotation

[zhuyou1234]

how can I generate REST API :

1. add @javax.validation.Valid to rest class
2. add @javax.validation.Valid to method param

I check code apiServiceImpl.mustache ,seems we can't add any other constraints annotations to rest impl class

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Swagger-codegen version

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[zhuyou1234]

rest impl class can only have @javax.annotation.Generated annotation