Case C-14/18 P: Judgment of the Court (Sixth Chamber) of 28 February 2019 — Alfamicro — Sistemas de computadores, Sociedade Unipessoal, Lda. v European Commission (Appeal — Arbitration clause — Article 272 TFEU — Concept of a ‘declaratory action’ — Article 263 TFEU — Concept of an ‘administrative decision’ — Grant agreement concluded under the Competitiveness and Innovation Framework Programme (CIP) (2007-2013) — Audit reports finding certain declared costs to be ineligible)