Sync Library
· Sync Library code for Realm Kotlin. This artifact is not supposed to be consumed directly, but through 'io.realm.kotlin:gradle-plugin:1.5.1' instead.
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 library-sync-android-debug-1.5.1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.