{"ast_node_type":"function","tokens":[{"end":83,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn with_log<L2>(&mut self, undo_log: L2) -> SnapshotMap<K, V, &mut M, L2> {
    #[inline]
        SnapshotMap { map: &mut self.map, undo_log, _marker: PhantomData }