| cloud.google.com/go/iam | Package iam supports the resource-specific operations of Google Cloud IAM (Identity and Access Management) for the Google Cloud Libraries. |
| cloud.google.com/go/internal/version | Package version contains version information for Google Cloud Client Libraries for Go, as reported in request headers. |
| cloud.google.com/go/pubsub/apiv1 | Package pubsub is an auto-generated package for the Cloud Pub/Sub API. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/golang/protobuf/proto | Package proto provides functionality for handling protocol buffer messages. |
| github.com/golang/protobuf/ptypes | Package ptypes provides functionality for interacting with well-known types. |
| github.com/golang/protobuf/ptypes/duration | |
| 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. |
| golang.org/x/sync/errgroup | Package errgroup provides synchronization, error propagation, and Context cancelation for groups of goroutines working on subtasks of a common task. |
| golang.org/x/sync/semaphore | Package semaphore provides a weighted semaphore implementation. |
| google.golang.org/api/iterator | |
| google.golang.org/api/option | |
| google.golang.org/api/support/bundler | |
| google.golang.org/genproto/googleapis/pubsub/v1 | Package pubsub aliases all exported identifiers in package "cloud.google.com/go/pubsub/apiv1/pubsubpb". |
| 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/keepalive | Package keepalive defines configurable parameters for point-to-point healthcheck. |
| google.golang.org/grpc/status | Package status implements errors returned by gRPC. |
| io | Package io provides basic interfaces to I/O primitives. |
| math | Package math provides basic constants and mathematical functions. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |