org.apache.logging.log4j:log4j-api 2.1

<!-- https://jarcasting.com/artifacts/org.apache.logging.log4j/log4j-api/ -->
<dependency>
    <groupId>org.apache.logging.log4j</groupId>
    <artifactId>log4j-api</artifactId>
    <version>2.1</version>
</dependency>

// https://jarcasting.com/artifacts/org.apache.logging.log4j/log4j-api/
implementation 'org.apache.logging.log4j:log4j-api:2.1'

// https://jarcasting.com/artifacts/org.apache.logging.log4j/log4j-api/
implementation ("org.apache.logging.log4j:log4j-api:2.1")

'org.apache.logging.log4j:log4j-api:jar:2.1'

<dependency org="org.apache.logging.log4j" name="log4j-api" rev="2.1">
  <artifact name="log4j-api" type="jar" />
</dependency>

@Grapes(
@Grab(group='org.apache.logging.log4j', module='log4j-api', version='2.1')
)

libraryDependencies += "org.apache.logging.log4j" % "log4j-api" % "2.1"

[org.apache.logging.log4j/log4j-api "2.1"]