<dependency>
  <groupId>org.apache.maven.archetype</groupId>
  <artifactId>archetype-testing</artifactId>
  <version>2.3</version>
  <type>pom</type>
</dependency>

'org.apache.maven.archetype:archetype-testing:pom:2.3'

<dependency org="org.apache.maven.archetype" name="archetype-testing" rev="2.3">
  <artifact name="archetype-testing" type="pom" />
</dependency>

@Grapes(
@Grab(group='org.apache.maven.archetype', module='archetype-testing', version='2.3')
)

compile 'org.apache.maven.archetype:archetype-testing:2.3'

[org.apache.maven.archetype/archetype-testing "2.3"]

libraryDependencies += "org.apache.maven.archetype" %% "archetype-testing" % "2.3"