Adobe Experience Manager Core Email Components Parent
· A set of standardized Email components for AEM 6.3+ that can be used to speed up development of websites.
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 core.email.components.parent-1.2.2.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.