<dependency>
  <groupId>com.softwaremill.sttp.client</groupId>
  <artifactId>okhttp-backend_2.13</artifactId>
  <version>2.2.8</version>
</dependency>

implementation 'com.softwaremill.sttp.client:okhttp-backend_2.13:2.2.8'

implementation("com.softwaremill.sttp.client:okhttp-backend_2.13:2.2.8")

libraryDependencies += "com.softwaremill.sttp.client" % "okhttp-backend_2.13" % "2.2.8"

@Grapes(
  @Grab(group='com.softwaremill.sttp.client', module='okhttp-backend_2.13', version='2.2.8')
)

<dependency org="com.softwaremill.sttp.client" name="okhttp-backend_2.13" rev="2.2.8" />

[com.softwaremill.sttp.client/okhttp-backend_2.13 "2.2.8"]

'com.softwaremill.sttp.client:okhttp-backend_2.13:jar:2.2.8'