There is no code in the project. This module is here for convenience, specifically for the scripting framework.
Just reference this and you will have access to all the scripting apis. For web projects it is probably
better to access just what you need.
Metridoc uses slf4j as the logger. This module will default to logback as the logger
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 metridoc-all-0.30.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.