| k8s.io/apimachinery/pkg/api/validation | Package validation contains generic api type validation functions. |
| k8s.io/apimachinery/pkg/api/validation/path | |
| k8s.io/apimachinery/pkg/util/sets | Package sets has generic set and specified sets. |
| k8s.io/apimachinery/pkg/util/validation/field | |
| k8s.io/kubernetes/pkg/apis/autoscaling | |
| 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. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |