plugin-tester-java/src/main/protobuf/stateful-helloworld.proto
plugin-tester-scala/src/main/protobuf/stateful-helloworld.proto

plugin-tester-java/src/main/protobuf/helloworld.proto
plugin-tester-scala/src/main/protobuf/helloworld.proto

plugin-tester-java/src/main/protobuf/helloworld.proto
plugin-tester-scala/src/main/protobuf/stateful-helloworld.proto

plugin-tester-java/src/main/protobuf/stateful-helloworld.proto
plugin-tester-scala/src/main/protobuf/helloworld.proto

plugin-tester-java/src/main/proto/echo.proto
plugin-tester-scala/src/main/proto/echo.proto