Case C-598/17: Judgment of the Court (First Chamber) of 2 May 2019 (request for a preliminary ruling from the Gerechtshof ’s-Hertogenbosch — Netherlands) — A-Fonds v Inspecteur van de Belastingdienst (Reference for a preliminary ruling — Existing aid and new aid — Concept of new aid — Refund of dividend tax — Scheme widened to companies established outside the Member State concerned — Free movement of capital — Obligations of national courts)