<dependency>
  <groupId>org.apache.maven.wagon</groupId>
  <artifactId>wagon</artifactId>
  <version>2.9</version>
  <type>pom</type>
</dependency>

'org.apache.maven.wagon:wagon:pom:2.9'

<dependency org="org.apache.maven.wagon" name="wagon" rev="2.9">
  <artifact name="wagon" type="pom" />
</dependency>

@Grapes(
@Grab(group='org.apache.maven.wagon', module='wagon', version='2.9')
)

compile 'org.apache.maven.wagon:wagon:2.9'

[org.apache.maven.wagon/wagon "2.9"]

libraryDependencies += "org.apache.maven.wagon" %% "wagon" % "2.9"