syntax_data: {"ast_node_type":"variable","tokens":[{"end":81,"kind":"keyword","start":0,"text":"let"}]}
source_snippet:             let fake_borrow_deref_ty = matched_place.ty(&cx.local_decls, tcx).ty;
context_before:         .map(|(matched_place, borrow_kind)| {
context_after:             let fake_borrow_ty =