<dependency>
<groupId>com.google.api</groupId>
<artifactId>gax-grpc</artifactId>
<version>0.21.1</version>
</dependency>
compile
|-- io.grpc:grpc-protobuf:1.4.0
|-- com.google.api.grpc:proto-google-common-protos:0.1.12
|-- com.google.guava:guava:20.0
|-- com.google.auth:google-auth-library-oauth2-http:0.7.0
|-- com.google.api:api-common:1.1.0
|-- com.google.auth:google-auth-library-credentials:0.7.0
|-- com.google.auto.value:auto-value:1.2
|-- org.threeten:threetenbp:1.3.3
|-- com.google.code.findbugs:jsr305:3.0.0
test
|-- junit:junit:4.11
|-- com.google.api.grpc:grpc-google-common-protos:0.1.12
|-- org.mockito:mockito-core:1.10.19