syntax_data: {"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"tcx.normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(),"}]}
source_snippet:         tcx.normalize_erasing_regions(ty::TypingEnv::fully_monomorphized(), trait_ref),
context_before:     debug_assert_eq!(
context_after:         trait_ref,