WebJar for contra
'org.webjars.npm:contra:1.9.1'
<dependency> <groupId>org.webjars.npm</groupId> <artifactId>contra</artifactId> <version>1.9.1</version> </dependency>
<dependency org="org.webjars.npm" name="contra" rev="1.9.1"/>
"org.webjars.npm", "contra", "1.9.1"