<dependency>
  <groupId>io.freefair.gradle</groupId>
  <artifactId>maven-plugin</artifactId>
  <version>8.4</version>
</dependency>

implementation 'io.freefair.gradle:maven-plugin:8.4'

implementation("io.freefair.gradle:maven-plugin:8.4")

libraryDependencies += "io.freefair.gradle" % "maven-plugin" % "8.4"

@Grapes(
  @Grab(group='io.freefair.gradle', module='maven-plugin', version='8.4')
)

<dependency org="io.freefair.gradle" name="maven-plugin" rev="8.4" />

[io.freefair.gradle/maven-plugin "8.4"]

'io.freefair.gradle:maven-plugin:jar:8.4'