syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"ty::PredicateKind::Ambiguous"}]}
source_snippet:             ty::PredicateKind::Ambiguous => write!(p, "ambiguous")?,
context_before:             }
context_after:             ty::PredicateKind::NormalizesTo(data) => data.print(p)?,