{"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"mbe::TokenTree::Token(t"}]}
                mbe::TokenTree::Token(t @ Token { kind: DocComment(..), .. }) => {
                mbe::TokenTree::MetaVarDecl { kind: NonterminalKind::Vis, .. } => {}
                    let mut now = t;