syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"relation.register_predicates([if"}]}
source_snippet:                     relation.register_predicates([if infcx.next_trait_solver() {
context_before:                 StructurallyRelateAliases::No => {
context_after:                         ty::PredicateKind::AliasRelate(