| cloud.google.com/go/internal/version | Package version contains version information for Google Cloud Client Libraries for Go, as reported in request headers. |
| github.com/googleapis/gax-go | Package gax contains a set of modules which aid the development of APIs for clients and servers based on gRPC and Google API conventions. |
| golang.org/x/net/context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| google.golang.org/api/option | |
| google.golang.org/api/transport | |
| google.golang.org/genproto/googleapis/devtools/cloudtrace/v2 | Package trace aliases all exported identifiers in package "cloud.google.com/go/trace/apiv2/tracepb". |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| google.golang.org/grpc/codes | Package codes defines the canonical error codes used by gRPC. |
| google.golang.org/grpc/metadata | Package metadata define the structure of the metadata supported by gRPC library. |
| time | Package time provides functionality for measuring and displaying time. |