* Create a new attribute.
* @param schema containing scheme.
* @param topLevel true if a global attribute.
*/
public XmlSchemaAttribute(XmlSchema schema, boolean topLevel) {
namedDelegate = new XmlSchemaNamedWithFormImpl(schema, topLevel, false);
ref = new XmlSchemaRef<XmlSchemaAttribute>(schema, XmlSchemaAttribute.class);
namedDelegate.setRefObject(ref);
ref.setNamedObject(namedDelegate);
use = XmlSchemaUse.NONE;
final XmlSchema fSchema = schema;