code: @Override
    public final String lazyGetQuTxInvBasAggr() throws IOException {
      if (this.quTxInvBasAggr == null) {
        this.quTxInvBasAggr = loadString("/accounting/trade/"
          + this.flTxInvBasAggr);
      }
      return this.quTxInvBasAggr;
    }
docs: <p>Lazy get for quTxInvBasAggr.</p>
  @return String
  @throws IOException - IO exception