{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"//"}]}
        // INVARIANT: The principal trait bound, if present, must come first. Others may be in any
        let self_ty = TyKind::BoundVar(BoundVar::new(DebruijnIndex::INNERMOST, 0)).intern(Interner);
        // order but should be in the same order for the same set but possibly different order of