Собственно, сабж.
Библиотека поддерживает разные схемы транслитерации:
['mvd_310', 'MVD 310-1997 transliteration schema'],
['bs_2979', 'British Standard 2979:1958 transliteration schema'],
['gost_779_alt', 'GOST 7.79-2000 (aka ISO 9:1995) transliteration schema'],
['icao_doc_9303', 'ICAO DOC 9303 transliteration schema'],
['mvd_310_fr', 'MVD 310-1997 transliteration schema'],
['mvd_782', 'MVD 782-2000 transliteration schema'],
['iso_9_1968_alt', 'ISO/R 9:1968 transliteration schema'],
['mosmetro', 'Moscow Metro map transliteration schema'],
['gost_7034', 'GOST R 7.0.34-2014 transliteration schema'],
['gost_16876_alt', 'GOST 16876-71 (aka GOST 1983) transliteration schema'],
['gost_52290', 'GOST R 52290-2004 transliteration schema'],
['ungegn_1987', 'UNGEGN 1987 V/18 transliteration schema'],
['telegram', 'Telegram transliteration schema'],
['gost_16876', 'GOST 16876-71 (aka GOST 1983) transliteration schema'],
['gost_779', 'GOST 7.79-2000 (aka ISO 9:1995) transliteration schema'],
['wikipedia', 'Wikipedia transliteration schema'],
['bgn_pcgn', 'BGN/PCGN transliteration schema'],
['iso_9_1968', 'ISO/R 9:1968 transliteration schema'],
['yandex_money', 'Yandex.Money transliteration schema'],
['ala_lc', 'ALA-LC transliteration schema.'],
['yandex_maps', 'Yandex.Maps transliteration schema'],
['gost_52535', 'GOST R 52535.1-2006 transliteration schema'],
['bgn_pcgn_alt', 'BGN/PCGN transliteration schema'],
['iso_9_1954', 'ISO/R 9:1954 transliteration schema'],
['bs_2979_alt', 'British Standard 2979:1958 transliteration schema'],
['scientific', 'Scientific transliteration schema'],
['ala_lc_alt', 'ALA-LC transliteration schema.']
Iuliia.translit('Юлия, съешь ещё этих мягких французских булок из Йошкар-Олы, да выпей алтайского чаю', schema: 'mvd_782')
"Yuliya, syesh' eshche etikh myagkikh frantsuzskikh bulok iz Yoshkar-Oly, da vypey altayskogo chayu"