<dependency>
  <groupId>org.apache.maven</groupId>
  <artifactId>maven-parent.</artifactId>
  <version>39</version>
  <type>pom</type>
</dependency>

'org.apache.maven:maven-parent.:pom:39'

<dependency org="org.apache.maven" name="maven-parent." rev="39">
  <artifact name="maven-parent." type="pom" />
</dependency>

@Grapes(
@Grab(group='org.apache.maven', module='maven-parent.', version='39')
)

compile 'org.apache.maven:maven-parent.:39'

libraryDependencies += "org.apache.maven" % "maven-parent." % "39"

[org.apache.maven/maven-parent. "39"]