Is the text of this revision deleted/suppressed? : `bool`

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