{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"$crate::__known_path!($start"}]}
        $crate::__known_path!($start $(:: $seg)*);
    ($start:ident $(:: $seg:ident)*) => ({
        $crate::mod_path::ModPath::from_segments($crate::mod_path::PathKind::Abs, vec![