| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| k8s.io/apimachinery/pkg/util/sets | Package sets has generic set and specified sets. |
| k8s.io/apimachinery/pkg/util/validation/field | |
| k8s.io/apiserver/pkg/cel | |
| k8s.io/apiserver/pkg/cel/environment | |
| k8s.io/dynamic-resource-allocation/structured/namedresources/cel | |
| k8s.io/kubernetes/pkg/apis/core/validation | Package validation has functions for validating the correctness of api objects and explaining what is wrong with them when they aren't valid. |
| k8s.io/kubernetes/pkg/apis/resource | Package resource contains the latest (or "internal") version of the Kubernetes resource API objects. |
| regexp | Package regexp implements regular expression search. |