text: import random
  
  from rss_scraper.feeds import errors
  from rss_scraper.feeds.enums import FeedParsingErrorCodes
  
  
  def raise_feed_parsing_error():
      raise errors.FeedParsingError(random.randint(400, 500), "error message")
  
  
  def raise_feed_is_gone_error():
      raise errors.FeedIsGoneError(FeedParsingErrorCodes.IS_GONE.value, "error message")
  
  
  def raise_feed_url_changed_error():
      raise errors.FeedUrlChangedError(
          FeedParsingErrorCodes.URL_CHANGED.value, "error message"
      )
  
  
  def raise_feed_content_not_changed_error():
      raise errors.FeedContentNotChangedError(
          FeedParsingErrorCodes.CONTENT_NOT_CHANGED.value, "error message"
      )
  
  
  def raise_feed_not_available_error():
      raise errors.FeedNotAvailableError(random.randint(400, 500), "error message")
  