<dependency>
  <groupId>com.netflix.spectator</groupId>
  <artifactId>spectator-ext-log4j1</artifactId>
  <version>1.5.4</version>
</dependency>

implementation 'com.netflix.spectator:spectator-ext-log4j1:1.5.4'

implementation("com.netflix.spectator:spectator-ext-log4j1:1.5.4")

libraryDependencies += "com.netflix.spectator" % "spectator-ext-log4j1" % "1.5.4"

@Grapes(
  @Grab(group='com.netflix.spectator', module='spectator-ext-log4j1', version='1.5.4')
)

<dependency org="com.netflix.spectator" name="spectator-ext-log4j1" rev="1.5.4" />

[com.netflix.spectator/spectator-ext-log4j1 "1.5.4"]

'com.netflix.spectator:spectator-ext-log4j1:jar:1.5.4'