forked from loafle/openapi-generator-original
* If not required, need `? = null` * run ./bin/kotlin-server-petstore.sh * Added `?` when value is `required` and `isNullable` * Rerun ./bin/kotlin-server-petstore.sh. But No differences
* If not required, need `? = null` * run ./bin/kotlin-server-petstore.sh * Added `?` when value is `required` and `isNullable` * Rerun ./bin/kotlin-server-petstore.sh. But No differences