},
	}

	for _, tc := range tcs {
		t.Run(tc.name, func(t *testing.T) {
			jsonPatch, err := jsonpatch.DecodePatch(tc.patch)
			assert.NoError(t, err, "unexpected error decode patch")
			actual, err := jsonPatchAnnotationValue(tc.config, tc.webhook, jsonPatch)
			assert.NoError(t, err, "unexpected error getting json patch annotation")

		current = []byte(`{}`)
	}

	addAndChangePatch, err := jsonpatch.CreateMergePatch(current, modified)
	if err != nil {
		return nil, err
	}
	// Only keep addition and changes
	addAndChangePatch, addAndChangePatchObj, err := keepOrDeleteNullInJsonPatch(addAndChangePatch, false)
	if err != nil {
		return nil, err
	}

	deletePatch, err := jsonpatch.CreateMergePatch(original, modified)
	if err != nil {
		return nil, err

			// JSON patch.
			case types.JSONPatchType:
				var patchObj jsonpatch.Patch
				patchObj, err = jsonpatch.DecodePatch(patchBytes)
				if err == nil {
					patchedData, err = patchObj.Apply(patchedData)
				}

			// Merge patch.
			case types.MergePatchType:
				patchedData, err = jsonpatch.MergePatch(patchedData, patchBytes)

			// Strategic merge patch.

limitations under the License.
*/

package genericclioptions

import (
	"os"
	"path/filepath"
	"strings"

	"github.com/spf13/cobra"
	"github.com/spf13/pflag"
	jsonpatch "gopkg.in/evanphx/json-patch.v4"

	"k8s.io/apimachinery/pkg/api/meta"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/util/json"
)

	Result *metav1.Status `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`

	// The patch body. Currently we only support "JSONPatch" which implements RFC 6902.
	// +optional
	Patch []byte `json:"patch,omitempty" protobuf:"bytes,4,opt,name=patch"`

	// The type of Patch. Currently we only allow "JSONPatch".
	// +optional
	PatchType *PatchType `json:"patchType,omitempty" protobuf:"bytes,5,opt,name=patchType"`

// See the License for the specific language governing permissions and
// limitations under the License.

package untaint

import (
	"encoding/json"
	"fmt"

	"gomodules.xyz/jsonpatch/v2"
	v1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/types"

	"istio.io/istio/pkg/config/labels"
	kubelib "istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/kube/controllers"
	"istio.io/istio/pkg/kube/kclient"

          - pkg: google.golang.org/protobuf/encoding/protojson
            desc: "don't use the protojson package directly; use util/protomarshal instead"
          - pkg: gomodules.xyz/jsonpatch/v3
            desc: "don't use v3; v2 is orders of magnitude higher performance"
          - pkg: k8s.io/apimachinery/pkg/util/sets
            desc: "use istio.io/istio/pkg/util/sets"
          - pkg: k8s.io/utils/env

			if err != nil {
				return nil, nil, errors.NewBadRequest(fmt.Sprintf("error decoding patch: %v", err))
			}
		}

		patchedJS, retErr = jsonpatch.MergePatch(versionedJS, p.patchBytes)
		if retErr == jsonpatch.ErrBadJSONPatch {
			return nil, nil, errors.NewBadRequest(retErr.Error())
		}
		return patchedJS, strictErrors, retErr
	default:

}

// setNamespaceLabel labels a namespace with the given key, value pair
func (n *kubeNamespace) setNamespaceLabel(key, value string) error {
	// need to convert '/' to '~1' as per the JSON patch spec http://jsonpatch.com/#operations
	jsonPatchEscapedKey := strings.ReplaceAll(key, "/", "~1")
	nsLabelPatch := fmt.Sprintf(`[{"op":"replace","path":"/metadata/labels/%s","value":"%s"}]`, jsonPatchEscapedKey, value)

	// or patches can be set directly using strategicMergePatch, mergePatch, and jsonPatch
	changedPod          *example.Pod
	strategicMergePatch string
	mergePatch          string
	jsonPatch           string

	// updatePod is the pod that is used for conflict comparison and as the starting point for the second Update
	updatePod *example.Pod