text: SPACES_GAP_FOR_FREQUENCY = "          "
  SPACES_GAP_BETWEEN_TOKENS = "  "
  TARGET_LINE_LENGHT = 60
  SPACES_LEVEL_INDENTATION = "   "
  COMMENT_INI = "# "
  POSITIVE_CLOSURE = "+"
  KLEENE_CLOSURE = "*"
  OPT_CARDINALITY = "?"
  SHAPE_LINK_CHAR = "@"