<dependency>
<groupId>org.webjars.bowergithub.polymerelements</groupId>
<artifactId>paper-button</artifactId>
<version>2.1.1</version>
</dependency>
libraryDependencies += "org.webjars.bowergithub.polymerelements" % "paper-button" % "2.1.1"
@Grapes(
@Grab(group='org.webjars.bowergithub.polymerelements', module='paper-button', version='2.1.1')
)
<dependency org="org.webjars.bowergithub.polymerelements" name="paper-button" rev="2.1.1" />