Case C-50/21, Prestige and Limousine: Judgment of the Court (First Chamber) of 8 June 2023 (request for a preliminary ruling from the Tribunal Superior de Justicia de — Spain) — Prestige and Limousine SL v Área Metropolitana de Barcelona, Asociación Nacional del Taxi (Antaxi), Asociación Profesional Élite Taxi, Sindicat del Taxi de Catalunya (STAC), Tapoca VTC1 SL, Agrupació Taxis Companys (Reference for a preliminary ruling — Article 49 TFEU — Article 107(1) TFEU — Private-hire vehicles (PHVs) — Licencing scheme involving the issue, in addition to a licence to provide urban and interurban transport services throughout the national territory, of a second operating licence in order to be able to provide urban transport services in a metropolitan area — Limitation of the number of licences for PHV services to one thirtieth of the licences for taxi services)