spring-boot-starter-sitemesh
· SiteMesh is a web-page layout and decoration framework and web- application integration framework to aid in creating sites consisting of many pages for which a consistent look/feel, navigation and layout scheme is required.
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 spring-boot-starter-sitemesh-3.2.0-M1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.