<dependency>
  <groupId>com.newrelic.logging</groupId>
  <artifactId>log4j1</artifactId>
  <version>2.1</version>
</dependency>

implementation 'com.newrelic.logging:log4j1:2.1'

implementation("com.newrelic.logging:log4j1:2.1")

libraryDependencies += "com.newrelic.logging" % "log4j1" % "2.1"

@Grapes(
  @Grab(group='com.newrelic.logging', module='log4j1', version='2.1')
)

<dependency org="com.newrelic.logging" name="log4j1" rev="2.1" />

[com.newrelic.logging/log4j1 "2.1"]

'com.newrelic.logging:log4j1:jar:2.1'