'org.webjars.npm:topojson:1.6.19'
<dependency>
<groupId>org.webjars.npm</groupId>
<artifactId>topojson</artifactId>
<version>1.6.19</version>
</dependency>
<dependency org="org.webjars.npm" name="topojson" rev="1.6.19"/>
"org.webjars.npm", "topojson", "1.6.19"