{"ast_node_type":"function","tokens":[{"end":80,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn fork_with_typing_mode(&self, typing_mode: TypingMode<'tcx>) -> Self {
    /// used to "branch off" many tests from the same common state. Used in negative coherence.
        // Unlike `fork`, this invalidates all cache entries as they may depend on the