Case C-416/23, Österreichische Datenschutzbehörde (Excessive requests: Judgment of the Court (First Chamber) of 9 January 2025 (request for a preliminary ruling from the Verwaltungsgerichtshof – Austria) – Österreichische Datenschutzbehörde v F R (Reference for a preliminary ruling – Protection of natural persons with regard to the processing of personal data – Regulation (EU) 2016/679 – Article 57(1)(f) and Article 57(4) – Tasks of the supervisory authority – Concepts of a request and excessive requests – Charging of a reasonable fee or refusal to act on requests in the event of manifestly unfounded or excessive requests – Criteria which may guide the supervisory authority in making its choice – Article 77(1) – Concept of a complaint)