text: class RouterOsApiError(Exception):
      pass
  
  class RouterOsApiConnectionError(RouterOsApiError):
      pass
  
  class FatalRouterOsApiError(RouterOsApiError):
      pass
  
  class RouterOsApiParsingError(RouterOsApiError):
      pass
  
  class RouterOsApiCommunicationError(RouterOsApiError):
      def __init__(self, message, original_message):
          super(RouterOsApiCommunicationError, self).__init__(message, original_message)
          self.original_message = original_message
  
  class RouterOsApiFatalCommunicationError(RouterOsApiError):
      pass
  
  class RouterOsApiConnectionClosedError(RouterOsApiConnectionError):
      pass
  