Case T-539/16: Order of the General Court of 14 December 2018 — GM and Others v Commission (Civil service — Officials — Reform of the Staff Regulations — Regulation (EU, Euratom) No 1023/2013 — Types of posts — Transitional measures relating to classification in the types of posts — Article 31 of Annex XIII to the Staff Regulations — Assistants in transition — Promotion pursuant to Article 45 of the Staff Regulations authorised only within the career streams corresponding to the type of post held — Exclusion of AST 9 officials from the promotion procedure — No act having an adverse effect — Confirmatory measure — Lis pendens — Manifest inadmissibility — Article 129 of the Rules of Procedure — Objection of inadmissibility — Article 130 of the Rules of Procedure)