| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| go.opencensus.io/examples/exporter | Package exporter contains a log exporter that supports exporting OpenCensus metrics and spans to a logging framework. |
| go.opencensus.io/examples/grpc/proto | Package helloworld is a generated protocol buffer package. |
| go.opencensus.io/plugin/ocgrpc | Package ocgrpc contains OpenCensus stats and trace integrations for gRPC. |
| go.opencensus.io/stats/view | Package view contains support for collecting and exposing aggregates over stats. |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| log | Package log implements a simple logging package. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| time | Package time provides functionality for measuring and displaying time. |