| 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 | |
| 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/cloud/vision/v1 | Package vision aliases all exported identifiers in package "cloud.google.com/go/vision/v2/apiv1/visionpb". |
| 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. |
| io | Package io provides basic interfaces to I/O primitives. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| log | Package log implements a simple logging package. |
| time | Package time provides functionality for measuring and displaying time. |