{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"opaque_types:"}]}
            opaque_types: self.opaque_types.iter().map(|opaque| opaque.fold_with(folder)).collect(),
            region_constraints: self.region_constraints.clone().fold_with(folder),
            normalization_nested_goals: self.normalization_nested_goals.clone().fold_with(folder),