<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-log4j2</artifactId>
  <version>2.5.6</version>
</dependency>

implementation 'org.springframework.boot:spring-boot-starter-log4j2:2.5.6'

implementation("org.springframework.boot:spring-boot-starter-log4j2:2.5.6")

libraryDependencies += "org.springframework.boot" % "spring-boot-starter-log4j2" % "2.5.6"

@Grapes(
  @Grab(group='org.springframework.boot', module='spring-boot-starter-log4j2', version='2.5.6')
)

<dependency org="org.springframework.boot" name="spring-boot-starter-log4j2" rev="2.5.6" />

[org.springframework.boot/spring-boot-starter-log4j2 "2.5.6"]

'org.springframework.boot:spring-boot-starter-log4j2:jar:2.5.6'