"github.com/puzpuzpuz/xsync/v3"
	"go.etcd.io/etcd/api/v3/mvccpb"
	etcd "go.etcd.io/etcd/client/v3"
)

var defaultContextTimeout = 30 * time.Second

func etcdKvsToSet(prefix string, kvs []*mvccpb.KeyValue) set.StringSet {
	users := set.NewStringSet()
	for _, kv := range kvs {
		user := extractPathPrefixAndSuffix(string(kv.Key), prefix, path.Base(string(kv.Key)))
		users.Add(user)
	}
	return users
}

	testCases := []struct {
		keys      []string
		keyvalues []string
	}{
		{
			[]string{"aaaa", "bbbb"},
			[]string{"aaaa", "{aaaa:.*}", "bbbb", "{bbbb:.*}"},
		},
	}

	for i, test := range testCases {
		keyvalues := restQueries(test.keys...)
		for j := range keyvalues {
			if keyvalues[j] != test.keyvalues[j] {
				t.Fatalf("test %d: keyvalues[%d] does not match", i+1, j)
			}
		}
	}
}

    ListIterator<V> keyValues = new ValueForKeyIterator(key);
    Iterator<? extends V> newValues = values.iterator();

    // Replace existing values, if any.
    while (keyValues.hasNext() && newValues.hasNext()) {
      keyValues.next();
      keyValues.set(newValues.next());
    }

    // Remove remaining old values, if any.
    while (keyValues.hasNext()) {
      keyValues.next();

		// next token must be ',' or '}'
		switch c = d.skipSpaces(); c {
		case '}':
			goto out
		case ',':
			c = d.skipSpaces()
			goto scan
		default:
			err = d.mkError(ErrSyntax, "after object key:value pair")
			goto out
		}
	}

out:
	d.depth--
	return obj, err
}

// object (ordered) accept valid JSON array value
func (d *Decoder) objectOrdered() (KVS, error) {
	d.depth++

	if err != nil {
		return PostPolicyForm{}, err
	}

	// Parse conditions.
	for _, val := range rawPolicy.Conditions {
		switch condt := val.(type) {
		case map[string]interface{}: // Handle key:value map types.
			for k, v := range condt {
				if !isString(v) { // Pre-check value type.
					// All values must be of type string.