<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>hierarchy-closure</artifactId>
  <version>1.2.1</version>
</dependency>

implementation 'org.webjars.npm:hierarchy-closure:1.2.1'

implementation("org.webjars.npm:hierarchy-closure:1.2.1")

libraryDependencies += "org.webjars.npm" % "hierarchy-closure" % "1.2.1"

@Grapes(
  @Grab(group='org.webjars.npm', module='hierarchy-closure', version='1.2.1')
)

<dependency org="org.webjars.npm" name="hierarchy-closure" rev="1.2.1" />

[org.webjars.npm/hierarchy-closure "1.2.1"]

'org.webjars.npm:hierarchy-closure:jar:1.2.1'