syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"PredicateKind::NormalizesTo(p)"}]}
source_snippet:             PredicateKind::NormalizesTo(p) => p.fmt(f),
context_before:             PredicateKind::Ambiguous => write!(f, "Ambiguous"),
context_after:             PredicateKind::AliasRelate(t1, t2, dir) => {