<dependency> <groupId>org.apache.logging.log4j</groupId> <artifactId>log4j-api-java9</artifactId> <version>2.11.1</version> <type>pom</type> </dependency>
'org.apache.logging.log4j:log4j-api-java9:pom:2.11.1'
<dependency org="org.apache.logging.log4j" name="log4j-api-java9" rev="2.11.1"> <artifact name="log4j-api-java9" type="pom" /> </dependency>
@Grapes( @Grab(group='org.apache.logging.log4j', module='log4j-api-java9', version='2.11.1') )
compile 'org.apache.logging.log4j:log4j-api-java9:2.11.1'
libraryDependencies += "org.apache.logging.log4j" % "log4j-api-java9" % "2.11.1"
[org.apache.logging.log4j/log4j-api-java9 "2.11.1"]