* Fix usage of javax.annotation:javax.annotation-api * Regenerate samples ``` bin/generate-samples.sh bin/configs/java-* bin/configs/jaxrs-* bin/configs/spring-* bin/configs/kotlin-* bin/configs/other/java-* bin/configs/other/jaxrs-* bin/configs/other/kotlin-* bin/configs/other/openapi3/jaxrs-cxf-client.yaml bin/configs/other/openapi3/kotlin-* ```
* Add async native Java Client * UPDATE: Reformat the samples * test java native async in drone.io * update test count Co-authored-by: William Cheng <wing328hk@gmail.com>