Case T-183/23: Judgment of the General Court of 16 July 2025 – Ballmann v European Data Protection Board (Protection of personal data – Complaint against the controller of personal data of users of an online social network in the European Union – Article 65(1)(a) of Regulation (EU) 2016/679 – Binding decision of the European Data Protection Board – Complainant’s request for access to the file prepared for the purposes of the binding decision – Refusal to grant access – Action for annulment – Actionable measure – Admissibility – Article 41(2)(b) of the Charter of Fundamental Rights)