syntax_data: {"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"PredicateKind::NormalizesTo(from).upcast(tcx)"}]}
source_snippet:         PredicateKind::NormalizesTo(from).upcast(tcx)
context_before:     fn upcast_from(from: NormalizesTo<'tcx>, tcx: TyCtxt<'tcx>) -> Self {
context_after:     }