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