docs: public static boolean delQuota(ZooKeeper zk, String path, boolean bytes,
              boolean numNodes) throws KeeperException, IOException,
              InterruptedException {
          String parentPath = Quotas.quotaZookeeper + path;
          String quotaPath = Quotas.quotaZookeeper + path + "/"
                  + Quotas.limitNode;
          if (zk.exists(quotaPath, false) == null) {
              System.out.println("Quota does not exist for " + path);
              return true;
          }
          byte[] data = null;
          try {
              data = zk.getData(quotaPath, false, new Stat());
          } catch (KeeperException.NoNodeException ne) {
              System.err.println("quota does not exist for " + path);
              return true;
          }
          StatsTrack strack = new StatsTrack(new String(data));
          if (bytes && !numNodes) {
              strack.setBytes(-1L);
              zk.setData(quotaPath, strack.toString().getBytes(), -1);
          } else if (!bytes && numNodes) {
              strack.setCount(-1);
              zk.setData(quotaPath, strack.toString().getBytes(), -1);
          } else if (bytes && numNodes) {
              // delete till you can find a node with more than
              // one child
              List<String> children = zk.getChildren(parentPath, false);
              // / delete the direct children first
              for (String child : children) {
                  zk.delete(parentPath + "/" + child, -1);
              }
              // cut the tree till their is more than one child
              trimProcQuotas(zk, parentPath);
          }
          return true;
      }