syntax_data: {"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"PredicateKind::Clause(clause)"}]}
source_snippet:             PredicateKind::Clause(clause) => clause,
context_before:         self.0.internee.map_bound(|kind| match kind {
context_after:             _ => unreachable!(),