docs: def deactivate_user(self, username):
          """Disable/deactivate the user.
  
          :param username: User to be deactivated.
          :type username: str
  
          :rtype: Union[str, int]
          """
          if self.deploymentType == 'Cloud':
              # Disabling users now needs cookie auth in the Cloud - see https://jira.atlassian.com/browse/ID-6230
              if 'authCookie' not in vars(self):
                  user = self.session()
                  if user.raw is None:
                      raise JIRAError("Can not log in!")
                  self.authCookie = '%s=%s' % (user.raw['session']['name'], user.raw['session']['value'])
              url = self._options['server'] + '/admin/rest/um/1/user/deactivate?username=%s' % (username)
              # We can't use our existing session here - this endpoint is fragile and objects to extra headers
              try:
                  r = requests.post(url, headers={'Cookie': self.authCookie, 'Content-Type': 'application/json'},
                                    proxies=self._session.proxies, data={})
                  if r.status_code == 200:
                      return True
                  else:
                      logging.warning(
                          'Got response from deactivating %s: %s' % (username, r.status_code))
                      return r.status_code
              except Exception as e:
                  logging.error(
                      "Error Deactivating %s: %s" % (username, e))
                  raise JIRAError("Error Deactivating %s: %s" % (username, e))
          else:
              url = self._options['server'] + '/secure/admin/user/EditUser.jspa'
              self._options['headers']['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8'
              user = self.user(username)
              userInfo = {
                  'inline': 'true',
                  'decorator': 'dialog',
                  'username': user.name,
                  'fullName': user.displayName,
                  'email': user.emailAddress,
                  'editName': user.name
              }
              try:
                  r = self._session.post(url, headers=self._options['headers'], data=userInfo)
                  if r.status_code == 200:
                      return True
                  else:
                      logging.warning(
                          'Got response from deactivating %s: %s' % (username, r.status_code))
                      return r.status_code
              except Exception as e:
                  logging.error(
                      "Error Deactivating %s: %s" % (username, e))
                  raise JIRAError("Error Deactivating %s: %s" % (username, e))