<dependency>
  <groupId>org.apache.maven.indexer</groupId>
  <artifactId>indexer-cli</artifactId>
  <version>6.2.1</version>
</dependency>

'org.apache.maven.indexer:indexer-cli:jar:6.2.1'

<dependency org="org.apache.maven.indexer" name="indexer-cli" rev="6.2.1">
  <artifact name="indexer-cli" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.apache.maven.indexer', module='indexer-cli', version='6.2.1')
)

compile 'org.apache.maven.indexer:indexer-cli:6.2.1'

libraryDependencies += "org.apache.maven.indexer" % "indexer-cli" % "6.2.1"

[org.apache.maven.indexer/indexer-cli "6.2.1"]