docs: def _sanitize_output(
          self, output, strip_command=False, command_string=None, strip_prompt=False
      ):
          """Strip out command echo, trailing router prompt and ANSI escape codes.
  
          :param output: Output from a remote network device
          :type output: unicode string
  
          :param strip_command:
          :type strip_command:
          """
          if self.ansi_escape_codes:
              output = self.strip_ansi_escape_codes(output)
          output = self.normalize_linefeeds(output)
          if strip_command and command_string:
              command_string = self.normalize_linefeeds(command_string)
              output = self.strip_command(command_string, output)
          if strip_prompt:
              output = self.strip_prompt(output)
          return output