Execution example:

normalize   'NormalizerNFKC("remove_symbol", true)'   "#This & is %% a pen."   WITH_TYPES
# [
#   [
#     0,
#     1337566253.89858,
#     0.000355720520019531
#   ],
#   {
#     "normalized": "this  is  a pen",
#     "types": [
#       "alpha",
#       "alpha",
#       "alpha",
#       "alpha",
#       "others",
#       "others",
#       "alpha",
#       "alpha",
#       "others",
#       "others",
#       "alpha",
#       "others",
#       "alpha",
#       "alpha",
#       "alpha",
#       "null"
#     ],
#     "checks": [
#
#     ]
#   }
# ]