// rest. Like calling Delete for all keys not specified.
func (m *BiMultimap) KeepOnly(keys []Key) {
	m.mux.Lock()
	defer m.mux.Unlock()

	keyMap := make(map[Key]bool)
	for _, k := range keys {
		keyMap[k] = true
	}
	for k := range m.labeledObjects {
		if !keyMap[k] {
			m.delete(k)
		}
	}
}

// KeepOnlySelectors retains only the specified selecting objects and

for(j=0;j<s.added.length;j++){key=s.added[j];keyMap[key]=keyMap[key]?null:1;}}
var removedIdxs=[];var addedKeys=[];for(key in keyMap){if(keyMap[key]===-1){removedIdxs.push(this._keyToInstIdx[key]);}
if(keyMap[key]===1){addedKeys.push(key);}}

		}
	}
	if !updated {
		// Append to the end of tags list
		r.tags = append(r.tags, KeyVal{key, val})
	}
	return r
}

// GetTags - returns the user defined tags
func (r *ReqInfo) GetTags() []KeyVal {
	if r == nil {
		return nil
	}
	r.RLock()
	defer r.RUnlock()
	return append(make([]KeyVal, 0, len(r.tags)), r.tags...)
}

// GetTagsMap - returns the user defined tags in a map structure

	for _, query := range unescapedQueries {
		keyval := strings.SplitN(query, "=", 2)
		if len(keyval) != 2 {
			return ErrInvalidQueryParams
		}
		switch keyval[0] {
		case xhttp.AmzAccessKeyID:
			accessKey = keyval[1]
		case xhttp.AmzSignatureV2:
			gotSignature = keyval[1]
		case xhttp.Expires:
			expires = keyval[1]
		default:
			filteredQueries = append(filteredQueries, query)
		}

        NegTokenInit negInit = new NegTokenInit(mechToken);
        byte[] krbToken = negInit.getMechanismToken();


        Path p = Files.createTempFile("fakeserver", ".keytab");
        try {
            Files.write(p, keyTab);
            KeyTab kt = KeyTab.getInstance(p.toFile());

// whether they are valid or whether we have reached the end.
func (it *Iterator[K, V]) Next() (K, V, bool) {
	keyval, ok := it.r.Next()
	if !ok {
		var zerok K
		var zerov V
		return zerok, zerov, false
	}
	return keyval.key, keyval.val, true
}

// chans

func chans_Ranger[T any]() (*chans_Sender[T], *chans_Receiver[T])

// ignoreMap discards the data for a map value with no destination.
func (dec *Decoder) ignoreMap(state *decoderState, keyOp, elemOp decOp) {
	n := int(state.decodeUint())
	keyInstr := &decInstr{keyOp, 0, nil, errors.New("no error")}
	elemInstr := &decInstr{elemOp, 0, nil, errors.New("no error")}
	for i := 0; i < n; i++ {
		keyOp(keyInstr, state, noValue)
		elemOp(elemInstr, state, noValue)
	}
}

func (v *Cmd) runOutputVerboseOnly(dir string, cmd string, keyval ...string) ([]byte, error) {
	return v.run1(dir, cmd, keyval, false)
}

// run1 is the generalized implementation of run and runOutput.
func (v *Cmd) run1(dir string, cmdline string, keyval []string, verbose bool) ([]byte, error) {
	m := make(map[string]string)
	for i := 0; i < len(keyval); i += 2 {
		m[keyval[i]] = keyval[i+1]
	}
	args := strings.Fields(cmdline)

func TestSmhasherSanity(t *testing.T) {
	t.Parallel()
	r := rand.New(rand.NewSource(1234))
	const REP = 10
	const KEYMAX = 128
	const PAD = 16
	const OFFMAX = 16
	for k := 0; k < REP; k++ {
		for n := 0; n < KEYMAX; n++ {
			for i := 0; i < OFFMAX; i++ {
				var b [KEYMAX + OFFMAX + 2*PAD]byte
				var c [KEYMAX + OFFMAX + 2*PAD]byte
				randBytes(r, b[:])
				randBytes(r, c[:])
				copy(c[PAD+i:PAD+i+n], b[PAD:PAD+n])

import java.security.Key;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;

import javax.security.auth.Subject;
import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.kerberos.KeyTab;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;


@SuppressWarnings ( "javadoc" )
public class KerberosCredentials {

    private Subject subject;