<dependency>
  <groupId>org.apache.maven</groupId>
  <artifactId>maven-plugin-api</artifactId>
  <version>3.6.1</version>
</dependency>

'org.apache.maven:maven-plugin-api:jar:3.6.1'

<dependency org="org.apache.maven" name="maven-plugin-api" rev="3.6.1">
  <artifact name="maven-plugin-api" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.apache.maven', module='maven-plugin-api', version='3.6.1')
)

compile 'org.apache.maven:maven-plugin-api:3.6.1'

libraryDependencies += "org.apache.maven" % "maven-plugin-api" % "3.6.1"

[org.apache.maven/maven-plugin-api "3.6.1"]