{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"hir::Mutability::Mut"}]}
                hir::Mutability::Mut => "Pin<&mut ",
            Some(probe::AutorefOrPtrAdjustment::ReborrowPin(mutbl)) => match mutbl {
                hir::Mutability::Not => "Pin<&",