@Override
  public Map<Integer, EnumInfo> enums() {
    Collection<Pool> pools = getAllPools();

    Map<Integer, EnumInfo> enums = new HashMap<>();
    for (Pool p : pools) {
      enums.putAll(GetPDXEnumsOp.execute((ExecutablePool) p));
    }
    return enums;
  }
Send an enum to all pools. This used to make sure that any enums
used by this client make it to all clusters this client is connected to.
geode-core/src/main/java/org/apache/geode/pdx/internal/ClientTypeRegistration.java