<dependency>
  <groupId>org.webjars.bower</groupId>
  <artifactId>contentful</artifactId>
  <version>3.5.0</version>
</dependency>

implementation 'org.webjars.bower:contentful:3.5.0'

implementation("org.webjars.bower:contentful:3.5.0")

libraryDependencies += "org.webjars.bower" % "contentful" % "3.5.0"

@Grapes(
  @Grab(group='org.webjars.bower', module='contentful', version='3.5.0')
)

<dependency org="org.webjars.bower" name="contentful" rev="3.5.0" />

[org.webjars.bower/contentful "3.5.0"]

'org.webjars.bower:contentful:jar:3.5.0'