<dependency>
  <groupId>io.github.zawn.retrofit2</groupId>
  <artifactId>adapter-guava</artifactId>
  <version>2.10.6</version>
</dependency>

implementation 'io.github.zawn.retrofit2:adapter-guava:2.10.6'

implementation("io.github.zawn.retrofit2:adapter-guava:2.10.6")

libraryDependencies += "io.github.zawn.retrofit2" % "adapter-guava" % "2.10.6"

@Grapes(
  @Grab(group='io.github.zawn.retrofit2', module='adapter-guava', version='2.10.6')
)

<dependency org="io.github.zawn.retrofit2" name="adapter-guava" rev="2.10.6" />

[io.github.zawn.retrofit2/adapter-guava "2.10.6"]

'io.github.zawn.retrofit2:adapter-guava:jar:2.10.6'