<dependency>
  <groupId>org.webjars.bower</groupId>
  <artifactId>polymer</artifactId>
  <version>1.2.1</version>
</dependency>

implementation 'org.webjars.bower:polymer:1.2.1'

implementation("org.webjars.bower:polymer:1.2.1")

libraryDependencies += "org.webjars.bower" % "polymer" % "1.2.1"

@Grapes(
  @Grab(group='org.webjars.bower', module='polymer', version='1.2.1')
)

<dependency org="org.webjars.bower" name="polymer" rev="1.2.1" />

[org.webjars.bower/polymer "1.2.1"]

'org.webjars.bower:polymer:jar:1.2.1'