syntax_data: {"ast_node_type":"variable","tokens":[{"end":46,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if let ty::Ref(_, dropped_ty, _) =
context_before:             // check for recursion.
context_after:                 tcx.liberate_late_bound_regions(def_id.to_def_id(), sig.input(0)).kind()