r#"public:

    std::pair<One, Two> f() const noexcept"#;
r#""#;

r#"template<bool OWN_DATA>
    inline std::pair<One, Two> FooWrapper<OWN_DATA>::f() const noexcept
    {

        struct CRustPair4232mut3232c_void4232mut3232c_void ret = Foo_f(this->self_);
        return std::make_pair(One(static_cast<OneOpaque *>(ret.first)), Two(static_cast<TwoOpaque *>(ret.second)));
    }"#;

"struct CRustPair4232mut3232c_void4232mut3232c_void Foo_f(const FooOpaque * const self);";