<dependency>
  <groupId>io.grpc</groupId>
  <artifactId>grpc-testing</artifactId>
  <version>1.22.1</version>
</dependency>

implementation 'io.grpc:grpc-testing:1.22.1'

implementation("io.grpc:grpc-testing:1.22.1")

libraryDependencies += "io.grpc" % "grpc-testing" % "1.22.1"

@Grapes(
  @Grab(group='io.grpc', module='grpc-testing', version='1.22.1')
)

<dependency org="io.grpc" name="grpc-testing" rev="1.22.1" />

[io.grpc/grpc-testing "1.22.1"]

'io.grpc:grpc-testing:jar:1.22.1'