<dependency>
  <groupId>org.specs2</groupId>
  <artifactId>specs2-mock_2.12</artifactId>
  <version>3.8.6</version>
</dependency>

implementation 'org.specs2:specs2-mock_2.12:3.8.6'

implementation("org.specs2:specs2-mock_2.12:3.8.6")

libraryDependencies += "org.specs2" % "specs2-mock_2.12" % "3.8.6"

@Grapes(
  @Grab(group='org.specs2', module='specs2-mock_2.12', version='3.8.6')
)

<dependency org="org.specs2" name="specs2-mock_2.12" rev="3.8.6" />

[org.specs2/specs2-mock_2.12 "3.8.6"]

'org.specs2:specs2-mock_2.12:jar:3.8.6'