Execution example::

  normalize   'NormalizerNFKC100("unify_prolonged_sound_mark", true)'   "ー—―─━ｰ"   WITH_TYPES
  # [
  #   [
  #     0,
  #     1546840846.654316,
  #     0.0001988410949707031
  #   ],
  #   {
  #     "normalized": "ーーーーーー",
  #     "types": [
  #       "katakana",
  #       "katakana",
  #       "katakana",
  #       "katakana",
  #       "katakana",
  #       "katakana"
  #     ],
  #     "checks": [
  #     ]
  #   }
  # ]
