Imports go.uber.org/multierr k8s.io/apiextensions-apiserver/pkg/apis/apiextensions k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1 k8s.io/apiextensions-apiserver/pkg/apiserver/schema k8s.io/apimachinery/pkg/util/sets k8s.io/apimachinery/pkg/util/validation/field Standard library imports encoding/json errors fmt reflect