<dependency>
  <groupId>org.apache.archiva.redback</groupId>
  <artifactId>redback-rest-api</artifactId>
  <version>2.1</version>
</dependency>

'org.apache.archiva.redback:redback-rest-api:jar:2.1'

<dependency org="org.apache.archiva.redback" name="redback-rest-api" rev="2.1">
  <artifact name="redback-rest-api" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.apache.archiva.redback', module='redback-rest-api', version='2.1')
)

compile 'org.apache.archiva.redback:redback-rest-api:2.1'

[org.apache.archiva.redback/redback-rest-api "2.1"]

libraryDependencies += "org.apache.archiva.redback" %% "redback-rest-api" % "2.1"