<dependency>
  <groupId>org.scalamacros</groupId>
  <artifactId>xml_2.11.0-RC4</artifactId>
  <version>1.0.0-M1</version>
</dependency>

implementation 'org.scalamacros:xml_2.11.0-RC4:1.0.0-M1'

implementation("org.scalamacros:xml_2.11.0-RC4:1.0.0-M1")

libraryDependencies += "org.scalamacros" % "xml_2.11.0-RC4" % "1.0.0-M1"

@Grapes(
  @Grab(group='org.scalamacros', module='xml_2.11.0-RC4', version='1.0.0-M1')
)

<dependency org="org.scalamacros" name="xml_2.11.0-RC4" rev="1.0.0-M1" />

[org.scalamacros/xml_2.11.0-RC4 "1.0.0-M1"]

'org.scalamacros:xml_2.11.0-RC4:jar:1.0.0-M1'