Order of the Court (Fourth Chamber) of 19 March 2019.#Harry Shindler and Others v Council of the European Union.#Appeal — Article 181 of the Rules of Procedure of the Court of Justice — Institutional law — Withdrawal of the United Kingdom from the European Union — Article 50 TEU — Council Decision authorising the opening of negotiations with the United Kingdom with a view to concluding an agreement determining the terms of withdrawal – Loss of citizenship of the Union — Article 263, fourth para., TFEU — Whether directly concerned.#Case C-755/18 P.