{"ast_node_type":"other","tokens":[{"end":47,"kind":"keyword","start":0,"text":"///"}]}
    /// will have `index` as the disambiguator.
    /// Creates a `DisambiguatorState` where the next allocated `(LocalDefId, DefPathData)` pair
    pub fn with(def_id: LocalDefId, data: DefPathData, index: u32) -> Self {