Case T-530/16: Judgment of the General Court of 13 December 2018 — Schubert and Others v Commission (Civil service — Remuneration — Annual adjustment of the remuneration and pensions of officials and other members of staff — Regulations (EU) No 422/2014 and No 423/2014 — Adjustments of remuneration and pensions for 2011 and 2012 — Duty to state reasons — Proportionality — Legitimate expectations — Rules on dialogue between management and workers)