<dependency>
  <groupId>io.grpc</groupId>
  <artifactId>protoc-gen-grpc-java</artifactId>
  <version>1.30.2</version>
  <type>pom</type>
</dependency>

implementation 'io.grpc:protoc-gen-grpc-java:1.30.2'

implementation("io.grpc:protoc-gen-grpc-java:1.30.2")

libraryDependencies += "io.grpc" % "protoc-gen-grpc-java" % "1.30.2"

@Grapes(
  @Grab(group='io.grpc', module='protoc-gen-grpc-java', version='1.30.2')
)

<dependency org="io.grpc" name="protoc-gen-grpc-java" rev="1.30.2" />

[io.grpc/protoc-gen-grpc-java "1.30.2"]

'io.grpc:protoc-gen-grpc-java:jar:1.30.2'