code: def _ParseAnalysisPluginOptions(self, options):
      
      # Get a list of all available plugins.
      analysis_plugin_info = self._analysis_manager.GetAllPluginInformation()
      # Use set-comprehension to create a set of the analysis plugin names.
      analysis_plugin_names = {
          name.lower() for name, _, _ in analysis_plugin_info}
  
      analysis_plugins = self.ParseStringOption(options, 'analysis_plugins')
      if not analysis_plugins:
        return
  
      # Use set-comprehension to create a set of the requested plugin names.
      requested_plugin_names = {
          name.strip().lower() for name in analysis_plugins.split(',')}
  
      # Check to see if we are trying to load plugins that do not exist.
      difference = requested_plugin_names.difference(analysis_plugin_names)
      if difference:
        raise errors.BadConfigOption(
            'Non-existent analysis plugins specified: {0:s}'.format(
                ' '.join(difference)))
  
      self._analysis_plugins = self._GetAnalysisPlugins(analysis_plugins)
  
      for analysis_plugin in self._analysis_plugins:
        helpers_manager.ArgumentHelperManager.ParseOptions(
            options, analysis_plugin)
docs: Parses the analysis plugin options.
  
      Args:
        options (argparse.Namespace): command line arguments.