rest2typescript
· Maven plugin that creates a Typescript file containing a REST-API Client for all your Spring @Controllers and also interfaces for any type you like
if you add the @ToTypescript annotation
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window rest2typescript-1.3.8.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.