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();

	c.mu.Lock()
	defer c.mu.Unlock()
	if ent := c.evictList.Back(); ent != nil {
		return ent.Key, ent.Value, true
	}
	return
}

func (c *LRU[K, V]) KeyValues() map[K]V {
	c.mu.Lock()
	defer c.mu.Unlock()
	maps := make(map[K]V)
	now := time.Now()
	for ent := c.evictList.Back(); ent != nil; ent = ent.PrevEntry() {
		if now.After(ent.ExpiresAt) {
			continue
		}