docs: public static void closeDatabases(int mode) {
  
          // A VoltDB extension to work around ENG-6044
          /* disable 1 line ...
          Iterator it = databaseIDMap.values().iterator();
             ... disabled 1 line */
          java.util.Iterator<Database> it = databaseIDMap.values().iterator();
          // End of VoltDB extension
  
          while (it.hasNext()) {
              Database db = (Database) it.next();
  
              try {
                  db.close(mode);
              } catch (HsqlException e) {}
          }
      }