<?xml version="1.0"?>
<container xmlns="some:ns" xmlns:bar="another:ns">
    <x>
        <subcontainer>
            <test xmlns="x:y" />
            <child2 />
        </subcontainer>
        <subcontainer2>
            <foo xmlns="some:ns" />
        </subcontainer2>
    </x>
</container>