<dependency>
  <groupId>com.softwaremill.sttp.client3</groupId>
  <artifactId>httpclient-backend_2.13</artifactId>
  <version>3.5.1</version>
</dependency>

implementation 'com.softwaremill.sttp.client3:httpclient-backend_2.13:3.5.1'

implementation("com.softwaremill.sttp.client3:httpclient-backend_2.13:3.5.1")

libraryDependencies += "com.softwaremill.sttp.client3" % "httpclient-backend_2.13" % "3.5.1"

@Grapes(
  @Grab(group='com.softwaremill.sttp.client3', module='httpclient-backend_2.13', version='3.5.1')
)

<dependency org="com.softwaremill.sttp.client3" name="httpclient-backend_2.13" rev="3.5.1" />

[com.softwaremill.sttp.client3/httpclient-backend_2.13 "3.5.1"]

'com.softwaremill.sttp.client3:httpclient-backend_2.13:jar:3.5.1'