syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"ty::PredicateKind::AliasRelate("}]}
source_snippet:                         ty::PredicateKind::AliasRelate(
context_before:                     relation.register_predicates([if infcx.next_trait_solver() {
context_after:                             a.into(),