{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"//"}]}
    // `ObligationCtxt::normalize`, but provides a nice `ObligationCauseCode`.
    // Convenience function to normalize during wfcheck. This performs
    fn normalize<T>(&self, span: Span, loc: Option<WellFormedLoc>, value: T) -> T