type ListenerFilter struct {
	Address string
	Port    uint32
	Type    string
	Verbose bool
}

// Verify returns true if the passed listener matches the filter fields
func (l *ListenerFilter) Verify(listener *listener.Listener) bool {
	if l.Address == "" && l.Port == 0 && l.Type == "" {
		return true
	}
	if l.Address != "" {

	const input = "1234 5678 1234567901234567890"
	scanner := bufio.NewScanner(strings.NewReader(input))
	// Create a custom split function by wrapping the existing ScanWords function.
	split := func(data []byte, atEOF bool) (advance int, token []byte, err error) {
		advance, token, err = bufio.ScanWords(data, atEOF)
		if err == nil && token != nil {
			_, err = strconv.ParseInt(string(token), 10, 32)
		}
		return
	}

func (e *EndpointFilter) Verify(ep *endpoint.LbEndpoint, cluster string) bool {
	if e.Address == "" && e.Port == 0 && e.Cluster == "" && e.Status == "" {
		return true
	}
	if e.Address != "" {
		found := slices.FindFunc(retrieveEndpointAddresses(ep), func(s string) bool {
			return strings.EqualFold(s, e.Address)
		}) != nil
		if !found {
			return false
		}
	}

	v3 "istio.io/istio/pilot/pkg/xds/v3"
)

// GetDynamicListenerDump retrieves a listener dump with just dynamic active listeners in it
func (w *Wrapper) GetDynamicListenerDump(stripVersions bool) (*admin.ListenersConfigDump, error) {
	listenerDump, err := w.GetListenerConfigDump()
	if err != nil {
		return nil, err
	}

	dal := make([]*admin.ListenersConfigDump_DynamicListener, 0)

// SelectAndOmitColumns get select and omit columns, select -> true, omit -> false
func (stmt *Statement) SelectAndOmitColumns(requireCreate, requireUpdate bool) (map[string]bool, bool) {
	results := map[string]bool{}
	notRestricted := false

	processColumn := func(column string, result bool) {
		if stmt.Schema == nil {
			results[column] = result
		} else if column == "*" {
			notRestricted = result

var globalObjLayerMutex sync.RWMutex

// Global object layer, only accessed by globalObjectAPI.
var globalObjectAPI ObjectLayer

type storageOpts struct {
	cleanUp     bool
	healthCheck bool
}

// Depending on the disk type network or local, initialize storage API.
func newStorageAPI(endpoint Endpoint, opts storageOpts) (storage StorageAPI, err error) {
	if endpoint.IsLocal {

	DeleteCleanupInterval       time.Duration `json:"delete_cleanup_interval"`
	EnableODirect               bool          `json:"enable_odirect"`
	GzipObjects                 bool          `json:"gzip_objects"`
	RootAccess                  bool          `json:"root_access"`
	SyncEvents                  bool          `json:"sync_events"`
	ObjectMaxVersions           int64         `json:"object_max_versions"`
}

)

// Config - kafka target arguments.
type Config struct {
	Enabled bool        `json:"enable"`
	Brokers []xnet.Host `json:"brokers"`
	Topic   string      `json:"topic"`
	Version string      `json:"version"`
	TLS     struct {
		Enable        bool               `json:"enable"`
		RootCAs       *x509.CertPool     `json:"-"`
		SkipVerify    bool               `json:"skipVerify"`
		ClientAuth    tls.ClientAuthType `json:"clientAuth"`

import (
	"bytes"
	"fmt"
	"strconv"
	"strings"
	"time"
)

// hasNUL reports whether the NUL character exists within s.
func hasNUL(s string) bool {
	return strings.Contains(s, "\x00")
}

// isASCII reports whether the input is an ASCII C-style string.
func isASCII(s string) bool {
	for _, c := range s {
		if c >= 0x80 || c == 0x00 {
			return false
		}
	}
	return true
}

func (sys *BucketVersioningSys) PrefixEnabled(bucket, prefix string) bool {
	vc, err := sys.Get(bucket)
	if err != nil {
		logger.CriticalIf(GlobalContext, err)
	}
	return vc.PrefixEnabled(prefix)
}

// Suspended suspended versioning?
func (sys *BucketVersioningSys) Suspended(bucket string) bool {
	vc, err := sys.Get(bucket)
	if err != nil {
		logger.CriticalIf(GlobalContext, err)
	}