code: def ParseOptions(cls, options, analysis_plugin):
      
      if not isinstance(analysis_plugin, virustotal.VirusTotalAnalysisPlugin):
        raise errors.BadConfigObject(
            'Analysis plugin is not an instance of VirusTotalAnalysisPlugin')
  
      api_key = cls._ParseStringOption(options, 'virustotal_api_key')
      if not api_key:
        raise errors.BadConfigOption(
            'VirusTotal API key not specified. Try again with '
            '--virustotal-api-key.')
  
      analysis_plugin.SetAPIKey(api_key)
  
      enable_rate_limit = getattr(
          options, 'virustotal_free_rate_limit', cls._DEFAULT_RATE_LIMIT)
      if enable_rate_limit:
        analysis_plugin.EnableFreeAPIKeyRateLimit()
  
      lookup_hash = cls._ParseStringOption(
          options, 'virustotal_hash', default_value=cls._DEFAULT_HASH)
      analysis_plugin.SetLookupHash(lookup_hash)
  
      if not analysis_plugin.TestConnection():
        raise errors.BadConfigOption('Unable to connect to VirusTotal')
docs: Parses and validates options.
  
      Args:
        options (argparse.Namespace): parser options.
        analysis_plugin (VirusTotalAnalysisPlugin): analysis plugin to configure.
  
      Raises:
        BadConfigObject: when the output module object is of the wrong type.
        BadConfigOption: when a configuration parameter fails validation or
            when unable to connect to VirusTotal.