Case T-383/19: Order of the General Court of 16 June 2020 — Walker and Others v Parliament and Council (Action for annulment — Area of freedom, security and justice — Withdrawal of the United Kingdom from the Union — Regulation (EU) 2019/592 amending Regulation (EU) 2018/1806 — Short-stay visa waiver on the basis of reciprocity — Alleged loss of EU citizenship — Not individually concerned — Inadmissibility)