com.microsoft.aspnet.publishing-test.messagepack:signalr-messagepack
· Test Package for the MessagePack protocol implementation for ASP.NET Core SignalR Client for Java applications, don't use
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 signalr-messagepack-20221123.5.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.