{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"Substitution::from_iter(Interner,"}]}
            Substitution::from_iter(Interner, self.substitution.iter(Interner).take(parent_len));
        let substitution =
        TraitRef { trait_id: to_chalk_trait_id(self.trait_(db)), substitution }