<dependency>
<groupId>org.json4s</groupId>
<artifactId>json4s-tests_2.9.1</artifactId>
<version>3.2.2</version>
</dependency>
compile
|-- org.json4s:json4s-core_2.9.1:3.2.2
|-- org.json4s:json4s-native_2.9.1:3.2.2
|-- org.json4s:json4s-ext_2.9.1:3.2.2
|-- org.json4s:json4s-native-lift_2.9.1:3.2.2
|-- org.json4s:json4s-scalaz_2.9.1:3.2.2
|-- org.json4s:json4s-jackson_2.9.1:3.2.2
|-- org.json4s:json4s-mongo_2.9.1:3.2.2
|-- org.scala-lang:scala-library:2.9.1
test
|-- org.specs2:specs2_2.9.1:1.12.4