<dependency>
<groupId>io.opencensus</groupId>
<artifactId>opencensus-api</artifactId>
<version>0.14.0</version>
</dependency>
compile
|-- io.grpc:grpc-context:1.12.0
|-- com.google.guava:guava:20.0
test
|-- com.google.guava:guava-testlib:20.0
|-- junit:junit:4.12