| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/base64 | Package base64 implements base64 encoding as specified by RFC 4648. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| 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.etcd.io/etcd/api/v3/mvccpb | |
| go.etcd.io/etcd/api/v3/v3rpc/rpctypes | Package rpctypes has types and values shared by the etcd server and client for v3 RPC interaction. |
| go.etcd.io/etcd/client/v3 | |
| google.golang.org/grpc/grpclog | Package grpclog defines logging for grpc. |
| k8s.io/apimachinery/pkg/api/errors | Package errors provides detailed error types for api field validation. |
| k8s.io/apimachinery/pkg/api/meta | Package meta provides functions for retrieving API metadata from objects belonging to the Kubernetes API |
| k8s.io/apimachinery/pkg/apis/meta/v1 | Package v1 contains API types that are common to all versions. |
| k8s.io/apimachinery/pkg/apis/meta/v1/unstructured | |
| k8s.io/apimachinery/pkg/conversion | Package conversion provides go object versioning. |
| k8s.io/apimachinery/pkg/runtime | Package runtime defines conversions between generic types and structs to map query strings to struct objects. |
| k8s.io/apimachinery/pkg/runtime/schema | |
| k8s.io/apimachinery/pkg/util/runtime | |
| k8s.io/apimachinery/pkg/util/validation/field | |
| k8s.io/apimachinery/pkg/watch | Package watch contains a generic watchable interface, and a fake for testing code that uses the watch interface. |
| k8s.io/apiserver/pkg/endpoints/request | Package request contains everything around extracting info from a http request object. |
| k8s.io/apiserver/pkg/features | |
| k8s.io/apiserver/pkg/storage | Interfaces for database-related operations. |
| k8s.io/apiserver/pkg/storage/etcd3/metrics | |
| k8s.io/apiserver/pkg/storage/value | Package value contains methods for assisting with transformation of values in storage. |
| k8s.io/apiserver/pkg/util/feature | |
| k8s.io/apiserver/pkg/util/flowcontrol | |
| k8s.io/klog/v2 | Package klog contains the following functionality: |
| k8s.io/utils/trace | |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path | Package path implements utility routines for manipulating slash-separated paths. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| 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 | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |