<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>bower</artifactId>
  <version>1.8.12</version>
</dependency>

implementation 'org.webjars.npm:bower:1.8.12'

implementation("org.webjars.npm:bower:1.8.12")

libraryDependencies += "org.webjars.npm" % "bower" % "1.8.12"

@Grapes(
  @Grab(group='org.webjars.npm', module='bower', version='1.8.12')
)

<dependency org="org.webjars.npm" name="bower" rev="1.8.12" />

[org.webjars.npm/bower "1.8.12"]

'org.webjars.npm:bower:jar:1.8.12'