@Override
    public boolean execute(final @NotNull XmlTag element) {
      String name = element.getAttributeValue(SchemaReferencesProvider.NAME_ATTR_NAME);
      final String prefixByNamespace = tag.getPrefixByNamespace(namespace);
      if (prefixByNamespace != null && !prefixByNamespace.isEmpty() && prefix == null) {
        name = prefixByNamespace + ":" + name;
      }
      myElements.add( name );
      return true;
    }
@Override
    public boolean execute(final @NotNull XmlTag element)