<dependency>
  <groupId>org.json4s</groupId>
  <artifactId>json4s-ast_2.13</artifactId>
  <version>3.7.0-M15</version>
</dependency>

implementation 'org.json4s:json4s-ast_2.13:3.7.0-M15'

implementation("org.json4s:json4s-ast_2.13:3.7.0-M15")

libraryDependencies += "org.json4s" % "json4s-ast_2.13" % "3.7.0-M15"

@Grapes(
  @Grab(group='org.json4s', module='json4s-ast_2.13', version='3.7.0-M15')
)

<dependency org="org.json4s" name="json4s-ast_2.13" rev="3.7.0-M15" />

[org.json4s/json4s-ast_2.13 "3.7.0-M15"]

'org.json4s:json4s-ast_2.13:jar:3.7.0-M15'