if cfg.Spec == nil {
		return "", fmt.Errorf("nil spec for %v/%v", cfg.Name, cfg.Namespace)
	}

	meta, err := update(cl.client, cfg, getObjectMetadata(cfg))
	if err != nil {
		return "", err
	}
	return meta.GetResourceVersion(), nil
}

func (cl *Client) UpdateStatus(cfg config.Config) (string, error) {
	if cfg.Status == nil {

	if customResourceDefinition == nil {
		return nil, fmt.Errorf("customResourceDefinition provided to Apply must not be nil")
	}
	patchOpts := opts.ToPatchOptions()
	data, err := json.Marshal(customResourceDefinition)
	if err != nil {
		return nil, err
	}
	name := customResourceDefinition.Name
	if name == nil {
		return nil, fmt.Errorf("customResourceDefinition.Name must be provided to Apply")
	}

	if customResourceDefinition == nil {
		return nil, fmt.Errorf("customResourceDefinition provided to Apply must not be nil")
	}
	patchOpts := opts.ToPatchOptions()
	data, err := json.Marshal(customResourceDefinition)
	if err != nil {
		return nil, err
	}
	name := customResourceDefinition.Name
	if name == nil {
		return nil, fmt.Errorf("customResourceDefinition.Name must be provided to Apply")
	}

		err := sa.AddFileKubeMeshConfig(tc.meshConfigFile)
		if err != nil {
			return nil, fmt.Errorf("error applying mesh config file %s: %v", tc.meshConfigFile, err)
		}
	}

	if tc.meshNetworksFile != "" {
		err := sa.AddFileKubeMeshNetworks(tc.meshNetworksFile)
		if err != nil {
			return nil, fmt.Errorf("error apply mesh networks file %s: %v", tc.meshNetworksFile, err)
		}
	}

			return
		} else if len(namespaces) > 1 {
			err = fmt.Errorf("found %s in multiple namespaces %v, specify the namespace explicitly in "+
				"the format of <Namespace>/<Hostname>", service, namespaces)
			return
		}
	}

	err = fmt.Errorf("could not find service %s in Istio service registry", service)
	return

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package core

import (
	"fmt"
	"net/netip"
	"strconv"
	"time"

	xds "github.com/cncf/xds/go/xds/core/v3"
	matcher "github.com/cncf/xds/go/xds/type/matcher/v3"
	core "github.com/envoyproxy/go-control-plane/envoy/config/core/v3"

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package xds

import (
	"errors"
	"fmt"
	"strconv"
	"strings"
	"time"

	discovery "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/peer"
	"google.golang.org/grpc/status"