Navigation work only in one direction in with typedefed in some weird case

#include <QSharedPointer>

class Foo {
    QSharedPointer<int> doFoo() const; //! [1]
    QSharedPointer<int> m_value;
};

typedef QSharedPointer<int> FooIntPtr;
FooIntPtr Foo::doFoo() const //! [2]
{
    return m_value;
}