<dependency>
  <groupId>org.apache.maven.enforcer</groupId>
  <artifactId>enforcer</artifactId>
  <version>3.0.0-M3</version>
  <type>pom</type>
</dependency>

'org.apache.maven.enforcer:enforcer:pom:3.0.0-M3'

<dependency org="org.apache.maven.enforcer" name="enforcer" rev="3.0.0-M3">
  <artifact name="enforcer" type="pom" />
</dependency>

@Grapes(
@Grab(group='org.apache.maven.enforcer', module='enforcer', version='3.0.0-M3')
)

compile 'org.apache.maven.enforcer:enforcer:3.0.0-M3'

libraryDependencies += "org.apache.maven.enforcer" % "enforcer" % "3.0.0-M3"

[org.apache.maven.enforcer/enforcer "3.0.0-M3"]