<dependency>
  <groupId>org.elasticsearch.test</groupId>
  <artifactId>old-elasticsearch</artifactId>
  <version>7.7.0</version>
</dependency>

implementation 'org.elasticsearch.test:old-elasticsearch:7.7.0'

implementation("org.elasticsearch.test:old-elasticsearch:7.7.0")

libraryDependencies += "org.elasticsearch.test" % "old-elasticsearch" % "7.7.0"

@Grapes(
  @Grab(group='org.elasticsearch.test', module='old-elasticsearch', version='7.7.0')
)

<dependency org="org.elasticsearch.test" name="old-elasticsearch" rev="7.7.0" />

[org.elasticsearch.test/old-elasticsearch "7.7.0"]

'org.elasticsearch.test:old-elasticsearch:jar:7.7.0'