syntax_data: {"ast_node_type":"other","tokens":[{"end":82,"kind":"keyword","start":0,"text":"ClauseWithSupertraitSpan"}]}
source_snippet:         ClauseWithSupertraitSpan { clause, supertrait_span: self.supertrait_span }
context_before:     fn child(&self, clause: <I as Interner>::Clause) -> Self {
context_after:     }