WebJar for diff
'org.webjars.npm:diff:2.2.1'
<dependency> <groupId>org.webjars.npm</groupId> <artifactId>diff</artifactId> <version>2.2.1</version> </dependency>
<dependency org="org.webjars.npm" name="diff" rev="2.2.1"/>
"org.webjars.npm", "diff", "2.2.1"