'org.json4s:json4s-ast_2.11:4.0.0-M1'
<dependency>
<groupId>org.json4s</groupId>
<artifactId>json4s-ast_2.11</artifactId>
<version>4.0.0-M1</version>
</dependency>
<dependency org="org.json4s" name="json4s-ast_2.11" rev="4.0.0-M1"/>
"org.json4s", "json4s-ast_2.11", "4.0.0-M1"