| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| golang.org/x/sync/singleflight | Package singleflight provides a duplicate function call suppression mechanism. |
| k8s.io/apiextensions-apiserver/pkg/apis/apiextensions | Package apiextensions is the internal version of the API. |
| k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1 | Package v1 is the v1 version of the API. |
| k8s.io/apiextensions-apiserver/pkg/features | |
| k8s.io/apimachinery/pkg/util/sets | Package sets has generic set and specified sets. |
| k8s.io/apimachinery/pkg/util/validation/field | |
| k8s.io/apimachinery/pkg/util/version | Package version provides utilities for version number comparisons |
| k8s.io/apiserver/pkg/cel/common | |
| k8s.io/apiserver/pkg/cel/environment | |
| k8s.io/apiserver/pkg/cel/openapi | |
| k8s.io/apiserver/pkg/util/feature | |
| k8s.io/component-base/metrics | |
| k8s.io/component-base/metrics/legacyregistry | |
| k8s.io/kube-openapi/pkg/validation/errors | Package errors provides an Error interface and several concrete types implementing this interface to manage API errors and JSON-schema validation errors. |
| k8s.io/kube-openapi/pkg/validation/spec | |
| k8s.io/kube-openapi/pkg/validation/strfmt | Package strfmt contains custom string formats |
| k8s.io/kube-openapi/pkg/validation/validate | |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary 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. |