'org.webjars.bower:leaflet.markercluster:0.4.0'
<dependency>
<groupId>org.webjars.bower</groupId>
<artifactId>leaflet.markercluster</artifactId>
<version>0.4.0</version>
</dependency>
<dependency org="org.webjars.bower" name="leaflet.markercluster" rev="0.4.0"/>
"org.webjars.bower", "leaflet.markercluster", "0.4.0"