Process Assertions
· Process Assertions provide assertions for use in test cases to test for specific business process conditions when executed with the Activiti or
Flowable BPM frameworks (http://www.activiti.org, http://www.flowable.org).
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 process-assertions-process-assertions-parent.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.