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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
static LL mapTwoLevelsDown(F1 f, LL l) { new LL out; if (l != null) for (L x : l) out.add(map(f, x)); ret out; } static LL mapLike mapTwoLevelsDown(O f, LL l) { LL out = new L; if (l != null) for (L x : l) out.add(map(f, x)); ret out; }