code: void setPluginPassiveScannerEnabled(int pluginId, boolean enabled) {
          PluginPassiveScanner scanner = getPluginPassiveScanner(pluginId);
          if (scanner != null) {
              scanner.setEnabled(enabled);
              scanner.save();
          }
      }
docs: Sets whether or not the plug-in passive scanner with the given {@code pluginId} is {@code enabled}.
  
  @param pluginId the ID of the plug-in passive scanner
  @param enabled {@code true} if the scanner should be enabled, {@code false} otherwise