syntax_data: {"ast_node_type":"struct","tokens":[{"end":35,"kind":"keyword","start":0,"text":"pub(crate)"}]}
source_snippet: pub(crate) struct UnDerefer<'tcx> {
context_before: #[derive(Default, Debug)]
context_after:     deref_chains: FxHashMap<Local, Vec<PlaceRef<'tcx>>>,