<dependency>
  <groupId>mx4j</groupId>
  <artifactId>mx4j-impl</artifactId>
  <version>2.1.1</version>
</dependency>

implementation 'mx4j:mx4j-impl:2.1.1'

implementation("mx4j:mx4j-impl:2.1.1")

libraryDependencies += "mx4j" % "mx4j-impl" % "2.1.1"

@Grapes(
  @Grab(group='mx4j', module='mx4j-impl', version='2.1.1')
)

<dependency org="mx4j" name="mx4j-impl" rev="2.1.1" />

[mx4j/mx4j-impl "2.1.1"]

'mx4j:mx4j-impl:jar:2.1.1'