{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"GenericDefId::ImplId(it)"}]}
            GenericDefId::ImplId(it) => file_id_and_params_of_item_loc(db, it),
            GenericDefId::TraitAliasId(it) => file_id_and_params_of_item_loc(db, it),
            GenericDefId::ConstId(it) => (it.lookup(db).id.file_id, None),