{"ast_node_type":"other","tokens":[{"end":23,"kind":"keyword","start":0,"text":"|"}]}
            | Res::Def(
            Res::SelfCtor(_) // See #70549.
                DefKind::Ctor(_, CtorKind::Const) | DefKind::Const | DefKind::AssocConst | DefKind::ConstParam,