def METHOD_NAME(
    path: str | None = None,
) -> dict[str, Any]:
    from ib_insync import flexreport, util
    conf = get_config()
    if not path:
        # load ``brokers.toml`` and try to get the flex
        # token and query id that must be previously defined
        # by the user.
        token = conf.get('flex_token')
        if not token:
            raise ValueError(
                'You must specify a ``flex_token`` field in your'
                '`brokers.toml` in order load your trade log, see our'
                'intructions for how to set this up here:\n'
                'PUT LINK HERE!'
            )
        qid = conf['flex_trades_query_id']
        # TODO: hack this into our logging
        # system like we do with the API client..
        util.logToConsole()
        # TODO: rewrite the query part of this with async..httpx?
        report = flexreport.FlexReport(
            token=token,
            queryId=qid,
        )
    else:
        # XXX: another project we could potentially look at,
        # https://pypi.org/project/ibflex/
        report = flexreport.FlexReport(path=path)
    trade_entries = report.extract('Trade')
    ln = len(trade_entries)
    log.info(f'Loaded {ln} trades from flex query')
    trades_by_account = flex_records_to_ledger_entries(
        conf['accounts'].inverse,  # reverse map to user account names
        trade_entries,
    )
    ledger_dict: dict | None = None
    for acctid in trades_by_account:
        trades_by_id = trades_by_account[acctid]
        with open_trade_ledger('ib', acctid) as ledger_dict:
            tid_delta = set(trades_by_id) - set(ledger_dict)
            log.info(
                'New trades detected\n'
                f'{pformat(tid_delta)}'
            )
            if tid_delta:
                sorted_delta = dict(sorted(
                    {tid: trades_by_id[tid] for tid in tid_delta}.items(),
                    key=lambda entry: entry[1].pop('pydatetime'),
                ))
                ledger_dict.update(sorted_delta)
    return ledger_dict