Case C-89/18: Judgment of the Court (First Chamber) of 10 July 2019 (request for a preliminary ruling from the Østre Landsret — Denmark) — A v Udlændinge- og Integrationsministeriet (Reference for a preliminary ruling — EEC-Turkey Association Agreement — Decision No 1/80 — Article 13 — Standstill clause — Family reunification of spouses — New restriction — Overriding reason in the public interest — Successful integration — Efficient management of migration flows — Proportionality)