code: public static List<String> filterByPrefix(
        List<String> nodes, String... prefixes
    ) {
      List<String> lockChildren = new ArrayList<String>();
      for (String child : nodes){
        for (String prefix : prefixes){
          if (child.startsWith(prefix)){
            lockChildren.add(child);
            break;
          }
        }
      }
      return lockChildren;
    }
docs: Filters the given node list by the given prefixes.
  This method is all-inclusive--if any element in the node list starts
  with any of the given prefixes, then it is included in the result.
  
  @param nodes the nodes to filter
  @param prefixes the prefixes to include in the result
  @return list of every element that starts with one of the prefixes