<dependency>
  <groupId>org.apache.maven.wagon</groupId>
  <artifactId>wagon-ssh-external</artifactId>
  <version>2.12</version>
</dependency>

'org.apache.maven.wagon:wagon-ssh-external:jar:2.12'

<dependency org="org.apache.maven.wagon" name="wagon-ssh-external" rev="2.12">
  <artifact name="wagon-ssh-external" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.apache.maven.wagon', module='wagon-ssh-external', version='2.12')
)

compile 'org.apache.maven.wagon:wagon-ssh-external:2.12'

[org.apache.maven.wagon/wagon-ssh-external "2.12"]

libraryDependencies += "org.apache.maven.wagon" % "wagon-ssh-external" % "2.12"