Case C-84/12: Judgment of the Court (Grand Chamber) of 19 December 2013 (request for a preliminary ruling from the Verwaltungsgericht Berlin (Germany)) — Rahmanian Koushkaki v Bundesrepublik Deutschland (Area of freedom, security and justice — Regulation (EC) No 810/2009 — Articles 21(1), 32(1) and 35(6) — Procedures and conditions for issuing uniform visas — Obligation to issue a visa — Assessment of the risk of illegal immigration — Intention of the applicant to leave the territory of the Member States before the expiry of the visa applied for — Reasonable doubt — Discretion of the competent authorities)