require 'set'

class Swot
  # These top-level domains are guaranteed to be academic institutions.
  ACADEMIC_TLDS = %w(
    ac.ae
    ac.at
    ac.bd
    ac.be
    ac.cn
    ac.cr
    ac.cy
    ac.fj
    ac.gg
    ac.gn
    ac.id
    ac.il
    ac.in
    ac.ir
    ac.jp
    ac.ke
    ac.kr
    ac.ma
    ac.me
    ac.mu
    ac.mw
    ac.mz
    ac.ni
    ac.nz
    ac.om
    ac.pa
    ac.pg
    ac.pr
    ac.rs
    ac.ru
    ac.rw
    ac.sz
    ac.th
    ac.tz
    ac.ug
    ac.uk
    ac.yu
    ac.za
    ac.zm
    ac.zw
    cc.al.us
    cc.ar.us
    cc.az.us
    cc.ca.us
    cc.co.us
    cc.fl.us
    cc.ga.us
    cc.hi.us
    cc.ia.us
    cc.id.us
    cc.il.us
    cc.in.us
    cc.ks.us
    cc.ky.us
    cc.la.us
    cc.md.us
    cc.me.us
    cc.mi.us
    cc.mn.us
    cc.mo.us
    cc.ms.us
    cc.mt.us
    cc.nc.us
    cc.nd.us
    cc.ne.us
    cc.nj.us
    cc.nm.us
    cc.nv.us
    cc.ny.us
    cc.oh.us
    cc.ok.us
    cc.or.us
    cc.pa.us
    cc.ri.us
    cc.sc.us
    cc.sd.us
    cc.tx.us
    cc.va.us
    cc.vi.us
    cc.wa.us
    cc.wi.us
    cc.wv.us
    cc.wy.us
    ed.ao
    ed.cr
    ed.jp
    edu
    edu.af
    edu.al
    edu.ar
    edu.au
    edu.az
    edu.ba
    edu.bb
    edu.bd
    edu.bh
    edu.bi
    edu.bn
    edu.bo
    edu.br
    edu.bs
    edu.bt
    edu.bz
    edu.ck
    edu.cn
    edu.co
    edu.cu
    edu.do
    edu.dz
    edu.ec
    edu.ee
    edu.eg
    edu.er
    edu.es
    edu.et
    edu.ge
    edu.gh
    edu.gr
    edu.gt
    edu.hk
    edu.hn
    edu.ht
    edu.in
    edu.iq
    edu.jm
    edu.jo
    edu.kg
    edu.kh
    edu.kn
    edu.kw
    edu.ky
    edu.kz
    edu.la
    edu.lb
    edu.lr
    edu.lv
    edu.ly
    edu.me
    edu.mg
    edu.mk
    edu.ml
    edu.mm
    edu.mn
    edu.mo
    edu.mt
    edu.mv
    edu.mw
    edu.mx
    edu.my
    edu.ni
    edu.np
    edu.om
    edu.pa
    edu.pe
    edu.ph
    edu.pk
    edu.pl
    edu.pr
    edu.ps
    edu.pt
    edu.pw
    edu.py
    edu.qa
    edu.rs
    edu.ru
    edu.sa
    edu.sc
    edu.sd
    edu.sg
    edu.sh
    edu.sl
    edu.sv
    edu.sy
    edu.tr
    edu.tt
    edu.tw
    edu.ua
    edu.uy
    edu.ve
    edu.vn
    edu.ws
    edu.ye
    edu.zm
    es.kr
    g12.br
    hs.kr
    ms.kr
    sc.kr
    sc.ug
    sch.ae
    sch.gg
    sch.id
    sch.ir
    sch.je
    sch.jo
    sch.lk
    sch.ly
    sch.my
    sch.om
    sch.ps
    sch.sa
    sch.uk
    school.nz
    school.za
    tec.ar.us
    tec.az.us
    tec.co.us
    tec.fl.us
    tec.ga.us
    tec.ia.us
    tec.id.us
    tec.il.us
    tec.in.us
    tec.ks.us
    tec.ky.us
    tec.la.us
    tec.ma.us
    tec.md.us
    tec.me.us
    tec.mi.us
    tec.mn.us
    tec.mo.us
    tec.ms.us
    tec.mt.us
    tec.nc.us
    tec.nd.us
    tec.nh.us
    tec.nm.us
    tec.nv.us
    tec.ny.us
    tec.oh.us
    tec.ok.us
    tec.pa.us
    tec.sc.us
    tec.sd.us
    tec.tx.us
    tec.ut.us
    tec.vi.us
    tec.wa.us
    tec.wi.us
    tec.wv.us
    vic.edu.au
  ).to_set.freeze
end