attrs.put(name, new IIOAttr(name, value, this));
attrs.put(name, new IIOMetadataNodeAttr(this, name, value));
  public void setAttribute(String name, String value)  {    Attr attr = (Attr) getAttributeNode(name);    if (attr != null)      attr.setValue(value);    else      attrs.put(name, new IIOAttr(name, value, this));  }