}

// NewSDSWriter generates a new instance which conforms to SDSWriter interface
func NewSDSWriter(w io.Writer, format Format) SDSWriter {
	return &sdsWriter{
		w:      w,
		output: format,
	}
}

// sdsWriter is provided concrete implementation of SDSWriter
type sdsWriter struct {
	w      io.Writer
	output Format
}

	"io"
	"strings"
	"unicode/utf8"

	"github.com/fatih/color"
)

type ColoredTableWriter struct {
	writer     io.Writer
	header     Row
	rows       []Row
	addRowFunc func(obj interface{}) Row
}

func NewStyleWriter(writer io.Writer) *ColoredTableWriter {
	return &ColoredTableWriter{
		writer: writer,
		rows:   make([]Row, 0),
		header: Row{},
	}
}

type BuildRowFunc func(obj interface{}) Row

	"istio.io/istio/pkg/util/protomarshal"
)

const typeURLPrefix = "type.googleapis.com/"

func (c *ConfigWriter) PrintEcds(outputFormat string) error {
	if c.configDump == nil {
		return fmt.Errorf("config writer has not been primed")
	}

	dump, err := c.configDump.GetEcdsConfigDump()
	if err != nil {
		return err
	}

	out, err := protomarshal.MarshalIndentWithGlobalTypesResolver(dump, "    ")
	if err != nil {

}

// listTags lists existing revision.
func listTags(ctx context.Context, kubeClient kubernetes.Interface, writer io.Writer) error {
	tagWebhooks, err := GetRevisionWebhooks(ctx, kubeClient)
	if err != nil {
		return fmt.Errorf("failed to retrieve revision tags: %v", err)
	}
	if len(tagWebhooks) == 0 {
		fmt.Fprintf(writer, "No Istio revision tag MutatingWebhookConfigurations to list\n")
		return nil
	}

				List(context.Background(), metav1.ListOptions{})
			if err != nil {
				return err
			}
			if len(gws.Items) == 0 {
				fmt.Fprintln(writer, "No waypoints found.")
				return nil
			}
			w := new(tabwriter.Writer).Init(writer, 0, 8, 5, ' ', 0)
			slices.SortFunc(gws.Items, func(i, j gateway.Gateway) int {
				if r := cmp.Compare(i.Namespace, j.Namespace); r != 0 {
					return r
				}

	"cmp"
	"encoding/json"
	"fmt"
	"strings"

	"sigs.k8s.io/yaml"

	"istio.io/istio/pkg/maps"
	"istio.io/istio/pkg/slices"
)

// ServiceFilter is used to pass filter information into service based config writer print functions
type ServiceFilter struct {
	Namespace string
}

// Verify returns true if the passed workload matches the filter fields
func (wf *ServiceFilter) Verify(svc *ZtunnelService) bool {

				mappedResp[id] = string(resource.Value) + "\n"
			} else {
				_, _ = s.Writer.Write(resource.Value)
				_, _ = s.Writer.Write([]byte("\n"))
			}
		}
	}
	if len(mappedResp) > 0 {
		mresp, err := json.MarshalIndent(mappedResp, "", "  ")
		if err != nil {
			return err
		}
		_, _ = s.Writer.Write(mresp)
		_, _ = s.Writer.Write([]byte("\n"))
	}

	return nil

)

// EndpointFilter is used to pass filter information into route based config writer print functions
type EndpointFilter struct {
	Address string
	Port    uint32
	Cluster string
	Status  string
}

// ConfigWriter is a writer for processing responses from the Envoy Admin config_dump endpoint
type ConfigWriter struct {
	Stdout   io.Writer
	clusters *clusters.Wrapper
}

	"encoding/json"
	"fmt"
	"io"
	"text/tabwriter"

	"sigs.k8s.io/yaml"
)

// ConfigWriter is a writer for processing responses from the Ztunnel Admin config_dump endpoint
type ConfigWriter struct {
	Stdout      io.Writer
	ztunnelDump *ZtunnelDump
	FullDump    []byte
}

// Prime loads the config dump into the writer ready for printing
func (c *ConfigWriter) Prime(b []byte) error {
	cd := ZtunnelDump{}

)

// Comparator diffs between a config dump from Istiod and one from Envoy
type Comparator struct {
	envoy, istiod *configdump.Wrapper
	w             io.Writer
	context       int
	location      string
}

// NewComparator is a comparator constructor
func NewComparator(w io.Writer, istiodResponses map[string][]byte, envoyResponse []byte) (*Comparator, error) {
	c := &Comparator{}
	for _, resp := range istiodResponses {