refactor: Refined packaging (moved classes to new folders and files)
[demos/kafka/chat] / src / main / java / de / juplo / kafka / chat / backend / domain /
drwxr-xr-x   ..
-rw-r--r-- 2158 Chatroom.java
-rw-r--r-- 440 Message.java
-rw-r--r-- 392 MessageMutationException.java