<dependency>
<groupId>io.grpc</groupId>
<artifactId>grpc-protobuf</artifactId>
<version>0.13.1</version>
</dependency>
compile
|-- com.google.protobuf:protobuf-java:3.0.0-beta-2
|-- com.google.guava:guava:18.0
test
|-- junit:junit:4.11