Case C-470/19: Judgment of the Court (First Chamber) of 15 April 2021 (request for a preliminary ruling from the High Court (Ireland) — Ireland) — Friends of the Irish Environment Ltd v Commissioner for Environmental Information (Reference for a preliminary ruling — Aarhus Convention — Directive 2003/4/EC — Right of access to environmental information held by public authorities — Article 2, point 2 — Notion of ‘public authority’ — Bodies or institutions when acting in a judicial or legislative capacity — Information in the file of closed court proceedings)