{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"PinnedRef(#[visitable(extra"}]}
    PinnedRef(#[visitable(extra = LifetimeCtxt::Ref)] Option<Lifetime>, MutTy),
    /// Desugars into `Pin<&'a T>` or `Pin<&'a mut T>`.
    /// A function pointer type (e.g., `fn(usize) -> bool`).