@Override
  public boolean containsKey(Object key) {
    if (key == null) {
      return false;
    }
    if (myMap instanceof Map) {
      return asMap().containsKey(key);
    }
    Object[] array = (Object[])myMap;
    for (int i = 0; i < array.length; i += 2) {
      if (key.equals(array[i])) {
        return true;
      }
    }
    return false;
  }
@Override
  public boolean containsKey(Object key)