Per Datastore Binding descriptor
· This module contains the assembly descriptor used by the individual components
to build binding-specific distributions.
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 datastore-specific-descriptor-0.17.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.