code: def add_line_break(self):
      self.format_alphabetical_lists()
      self.format_roman_numeral_lists()
      self.format_numbered_list_with_periods()
      self.format_numbered_list_with_parens()
      return self.text
  
imports: import string
  import re
  from pysbd.utils import Rule, Text
  from functools import partial
label_desc: Use image node_id 2 for calling the ListItemReplacer obj's underlying member method code with example usage: obj.add_line_break() and returns: self