syntax_data: {"ast_node_type":"other","tokens":[{"end":40,"kind":"keyword","start":0,"text":"tcx.assumed_wf_types(def_id)"}]}
source_snippet:             tcx.assumed_wf_types(def_id)
context_before:             assert!(tcx.is_impl_trait_in_trait(def_id.to_def_id()));
context_after:         },