{"ast_node_type":"other","tokens":[{"end":90,"kind":"keyword","start":0,"text":"SelfKind::Pinned(Some(lt),"}]}
            SelfKind::Pinned(Some(lt), mutbl) => format!("&{lt} pin {}", mutbl.ptr_str()),
            SelfKind::Pinned(None, mutbl) => format!("&pin {}", mutbl.ptr_str()),
            SelfKind::Value(_) | SelfKind::Explicit(_, _) => {