<dependency>
  <groupId>org.tinylog</groupId>
  <artifactId>log4j1.2-api</artifactId>
  <version>2.8.0-M1</version>
  <type>bundle</type>
</dependency>

implementation 'org.tinylog:log4j1.2-api:2.8.0-M1'

implementation("org.tinylog:log4j1.2-api:2.8.0-M1")

libraryDependencies += "org.tinylog" % "log4j1.2-api" % "2.8.0-M1"

@Grapes(
  @Grab(group='org.tinylog', module='log4j1.2-api', version='2.8.0-M1')
)

<dependency org="org.tinylog" name="log4j1.2-api" rev="2.8.0-M1" />

[org.tinylog/log4j1.2-api "2.8.0-M1"]

'org.tinylog:log4j1.2-api:jar:2.8.0-M1'