tests/data/test-write-read-archive/test1.xml

<abi-instr version='1.0' path='test1.xml'>
  <namespace-decl name='foo'>
    <type-decl name='int' size-in-bits='32' alignment-in-bits='32' id='type-id-1'/>
  </namespace-decl>
</abi-instr>