{"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"builder.map_node(pat.syntax().clone(),"}]}
            builder.map_node(pat.syntax().clone(), ast.pat().unwrap().syntax().clone());
            builder.map_node(name_ref.syntax().clone(), ast.name_ref().unwrap().syntax().clone());
            builder.finish(&mut mapping);