public ConstructionNode Convert(MarkupExtensionNode tree)
{
var identifier = tree.Identifier;
var ns = getNsFromPrefix(identifier.Prefix);
var type = resolver.LocateMarkupExtension(XName.Get(identifier.TypeName, ns));
var arguments = ParseArguments(tree.Options.OfType <PositionalOption>());
var assignments = ParseAssignments(tree.Options.OfType <PropertyOption>(), type);
return(new ConstructionNode(type)
{
InjectableArguments = arguments,
Assignments = assignments,
});
}