<dependency>
  <groupId>jboss</groupId>
  <artifactId>javassist</artifactId>
  <version>3.1</version>
</dependency>

implementation 'jboss:javassist:3.1'

implementation("jboss:javassist:3.1")

libraryDependencies += "jboss" % "javassist" % "3.1"

@Grapes(
  @Grab(group='jboss', module='javassist', version='3.1')
)

<dependency org="jboss" name="javassist" rev="3.1" />

[jboss/javassist "3.1"]

'jboss:javassist:jar:3.1'