<dependency>
  <groupId>com.softwaremill.sttp.client</groupId>
  <artifactId>core_2.13</artifactId>
  <version>2.2.9</version>
</dependency>

implementation 'com.softwaremill.sttp.client:core_2.13:2.2.9'

implementation("com.softwaremill.sttp.client:core_2.13:2.2.9")

libraryDependencies += "com.softwaremill.sttp.client" % "core_2.13" % "2.2.9"

@Grapes(
  @Grab(group='com.softwaremill.sttp.client', module='core_2.13', version='2.2.9')
)

<dependency org="com.softwaremill.sttp.client" name="core_2.13" rev="2.2.9" />

[com.softwaremill.sttp.client/core_2.13 "2.2.9"]

'com.softwaremill.sttp.client:core_2.13:jar:2.2.9'