<dependency>
  <groupId>org.spf4j</groupId>
  <artifactId>spf4j</artifactId>
  <version>8.6.31</version>
  <type>pom</type>
</dependency>

implementation 'org.spf4j:spf4j:8.6.31'

implementation("org.spf4j:spf4j:8.6.31")

libraryDependencies += "org.spf4j" % "spf4j" % "8.6.31"

@Grapes(
  @Grab(group='org.spf4j', module='spf4j', version='8.6.31')
)

<dependency org="org.spf4j" name="spf4j" rev="8.6.31" />

[org.spf4j/spf4j "8.6.31"]

'org.spf4j:spf4j:jar:8.6.31'