'org.webjars.npm:express:4.6.1'
<dependency>
<groupId>org.webjars.npm</groupId>
<artifactId>express</artifactId>
<version>4.6.1</version>
</dependency>
<dependency org="org.webjars.npm" name="express" rev="4.6.1"/>
"org.webjars.npm", "express", "4.6.1"