<dependency>
  <groupId>org.appenders.log4j</groupId>
  <artifactId>parent</artifactId>
  <version>1.5.6</version>
  <type>pom</type>
</dependency>

implementation 'org.appenders.log4j:parent:1.5.6'

implementation("org.appenders.log4j:parent:1.5.6")

libraryDependencies += "org.appenders.log4j" % "parent" % "1.5.6"

@Grapes(
  @Grab(group='org.appenders.log4j', module='parent', version='1.5.6')
)

<dependency org="org.appenders.log4j" name="parent" rev="1.5.6" />

[org.appenders.log4j/parent "1.5.6"]

'org.appenders.log4j:parent:jar:1.5.6'