docs: public boolean removePTable(PTable pTable)
      {
          Object strKey = pTable.getLookupKey();
          Object obj = m_htTableList.get(strKey);
          if (obj == null)
              return false;
          this.flushPTable(pTable); // Write it to the data store (override must implement).
          return (m_htTableList.remove(strKey) != null);
      }