| cloud.google.com/go/auth | Package auth provides utilities for managing Google Cloud credentials, including functionality for creating, caching, and refreshing OAuth2 tokens. |
| cloud.google.com/go/auth/credentials | Package credentials provides support for making OAuth2 authorized and authenticated HTTP requests to Google APIs. |
| cloud.google.com/go/auth/internal | |
| cloud.google.com/go/auth/internal/transport | Package transport provided internal helpers for the two transport packages (grpctransport and httptransport). |
| cloud.google.com/go/compute/metadata | |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| crypto/tls | Package tls partially implements TLS 1.2, as specified in RFC 5246, and TLS 1.3, as specified in RFC 8446. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| go.opencensus.io/plugin/ocgrpc | Package ocgrpc contains OpenCensus stats and trace integrations for gRPC. |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| google.golang.org/grpc/credentials | Package credentials implements various credentials supported by gRPC library, which encapsulate all the state needed by a client to authenticate with a server and make various assertions, e.g., about the client's identity, role, or whether it is authorized to make a particular call. |
| google.golang.org/grpc/credentials/google | Package google defines credentials for google cloud services. |
| google.golang.org/grpc/credentials/insecure | Package insecure provides an implementation of the credentials.TransportCredentials interface which disables transport security. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| net/http | Package http provides HTTP client and server implementations. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync/atomic | Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms. |