<dependency>
  <groupId>org.endpoints4s</groupId>
  <artifactId>algebra-json-schema-testkit_2.12</artifactId>
  <version>2.2.1</version>
</dependency>

implementation 'org.endpoints4s:algebra-json-schema-testkit_2.12:2.2.1'

implementation("org.endpoints4s:algebra-json-schema-testkit_2.12:2.2.1")

libraryDependencies += "org.endpoints4s" % "algebra-json-schema-testkit_2.12" % "2.2.1"

@Grapes(
  @Grab(group='org.endpoints4s', module='algebra-json-schema-testkit_2.12', version='2.2.1')
)

<dependency org="org.endpoints4s" name="algebra-json-schema-testkit_2.12" rev="2.2.1" />

[org.endpoints4s/algebra-json-schema-testkit_2.12 "2.2.1"]

'org.endpoints4s:algebra-json-schema-testkit_2.12:jar:2.2.1'