void InitNamespaces()
{
if (_targetElement == null)
{
return;
}
var elements = _targetElement.TraverseAncestors();
foreach (var element in elements)
{
var nsDeclarations = element.Attributes.Where(x => x.IsNamespaceDeclaration);
nsDeclarations.Each(ns => _namespaceDeclarations.Add(ns.Value, ns.Name));
}
}
