| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/spf13/pflag | Package pflag is a drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags. |
| go.etcd.io/etcd/client/pkg/v3/transport | Package transport implements various HTTP transport utilities based on Go net package. |
| go.etcd.io/etcd/client/v3 | Package clientv3 implements the official Go etcd client for v3. |
| google.golang.org/grpc | Package grpc implements an RPC system called gRPC. |
| k8s.io/apimachinery/pkg/api/errors | Package errors provides detailed error types for api field validation. |
| k8s.io/apimachinery/pkg/apis/meta/v1 | Package v1 contains API types that are common to all versions. |
| k8s.io/apimachinery/pkg/util/errors | Package errors implements various utility functions and types around errors. |
| k8s.io/apimachinery/pkg/util/wait | Package wait provides tools for polling or listening for changes to a condition. |
| k8s.io/apiserver/pkg/registry/generic/registry | Package etcd has a generic implementation of a registry that stores things in etcd. |
| k8s.io/apiserver/pkg/storage/storagebackend | |
| k8s.io/apiserver/pkg/storageversion | |
| k8s.io/client-go/kubernetes | Package kubernetes holds packages which implement a clientset for Kubernetes APIs. |
| k8s.io/client-go/rest | |
| k8s.io/client-go/util/cert | |
| k8s.io/kube-aggregator/pkg/apiserver | |
| k8s.io/kubernetes/cmd/kube-apiserver/app | Package app does all of the work necessary to create a Kubernetes APIServer by binding together the API, master and APIServer infrastructure. |
| k8s.io/kubernetes/cmd/kube-apiserver/app/options | Package options contains flags and options for initializing an apiserver |
| k8s.io/kubernetes/test/utils | |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path | Package path implements utility routines for manipulating slash-separated paths. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
| time | Package time provides functionality for measuring and displaying time. |