code: def initialize(self, text=None, comment=None, user=None, restricted=None):
          self.text = none_or(text, bool)
          
  
          self.comment = none_or(comment, bool)
          """
          Is the comment of this revision deleted/suppressed? : `bool`
          """
  
          self.user = none_or(user, bool)
          """
          Is the user of this revision deleted/suppressed? : `bool`
          """
  
          self.restricted = none_or(restricted, bool)
          """
          Is the revision restricted? : `bool`
          """
docs: Is the text of this revision deleted/suppressed? : `bool`