Test all combinations of caller_owns_return and transfer_ownership.
Test all combinations of caller_owns_return and transfer_ownership.


caramucho/pybindgen,cawka/pybindgen,cawka/pybindgen,caramucho/pybindgen,cawka/pybindgen,caramucho/pybindgen,cawka/pybindgen,caramucho/pybindgen