code: void setAllPluginPassiveScannersEnabled(boolean enabled) {
          for (PluginPassiveScanner scanner : getPluginPassiveScanners()) {
              scanner.setEnabled(enabled);
              scanner.save();
          }
      }
docs: Sets whether or not all plug-in passive scanners are {@code enabled}.
  
  @param enabled {@code true} if the scanners should be enabled, {@code false} otherwise