'org.webjars.npm:leaflet:1.0.0-beta.2'
<dependency>
<groupId>org.webjars.npm</groupId>
<artifactId>leaflet</artifactId>
<version>1.0.0-beta.2</version>
</dependency>
<dependency org="org.webjars.npm" name="leaflet" rev="1.0.0-beta.2"/>
"org.webjars.npm", "leaflet", "1.0.0-beta.2"