Case C-154/18: Judgment of the Court (Second Chamber) of 14 February 2019 (request for a preliminary ruling from the Labour Court — Ireland) — Tomás Horgan, Claire Keegan v Minister for Education & Skills, Minister for Finance, Minister for Public Expenditure & Reform, Ireland, Attorney General (Reference for a preliminary ruling — Equal treatment in employment and occupation — Directive 2000/78/EC — Article 2(2)(b) — Indirect discrimination on grounds of age — Newly recruited teachers — Date of recruitment — Salary scale and classification on that scale upon recruitment less advantageous than that applicable to teachers already employed as such)