langCode: "ar_sa" | "ast_es" | "az_az" | "ba_ru" | "bar" | "be_by" | "bg_bg" | "br_fr" | "brb" | "bs_ba" | "ca_es" | "cs_cz" | "cy_gb" | "da_dk" | "de_at" | "de_ch" | "de_de" | "el_gr" | "en_au" | "en_ca" | "en_gb" | "en_nz" | "en_pt" | "en_ud" | "en_us" | "enp" | "enws" | "eo_uy" | "es_ar" | "es_cl" | "es_ec" | "es_es" | "es_mx" | "es_uy" | "es_ve" | "esan" | "et_ee" | "eu_es" | "fa_ir" | "fi_fi" | "fil_ph" | "fo_fo" | "fr_ca" | "fr_fr" | "fra_de" | "fy_nl" | "ga_ie" | "gd_gb" | "gl_es" | "gv" | "haw_us" | "he_il" | "hi_in" | "hr_hr" | "hu_hu" | "hy_am" | "id_id" | "ig_ng" | "io_en" | "is_is" | "isv" | "it_it" | "ja_jp" | "jbo_en" | "ka_ge" | "kk_kz" | "kn_in" | "ko_kr" | "ksh" | "kw_gb" | "la_la" | "lb_lu" | "li_li" | "lmo_it" | "lol_us" | "lt_lt" | "lv_lv" | "lzh" | "mi_nz" | "mk_mk" | "mn_mn" | "ms_my" | "mt_mt" | "nds_de" | "nl_be" | "nl_nl" | "nn_no" | "no_no" | "oc_fr" | "ovd" | "pl_pl" | "pt_br" | "pt_pt" | "qya_aa" | "ro_ro" | "rpr" | "ru_ru" | "se_no" | "sk_sk" | "sl_si" | "so_so" | "sq_al" | "sr_sp" | "sv_se" | "swg" | "sxu" | "szl" | "ta_in" | "th_th" | "tl_ph" | "tlh_aa" | "tr_tr" | "tt_ru" | "uk_ua" | "val_es" | "vec_it" | "vi_vn" | "yi_de" | "yo_ng" | "zh_cn" | "zh_hk" | "zh_tw"