{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"GenericParamId::TypeParamId(id)"}]}
                GenericParamId::TypeParamId(id) => {
            self.iter_id().map(|id| match id {
                    to_placeholder_idx(db, id.into()).to_ty(Interner).cast(Interner)