type t = {mutable request_id : Dtcprotocol_piqi.protobuf_int32 option;mutable cash_balance : Dtcprotocol_piqi.float64 option;mutable balance_available_for_new_positions : Dtcprotocol_piqi.float64 option;mutable account_currency : string option;mutable trade_account : string option;mutable securities_value : Dtcprotocol_piqi.float64 option;mutable margin_requirement : Dtcprotocol_piqi.float64 option;mutable total_number_messages : Dtcprotocol_piqi.protobuf_int32 option;mutable message_number : Dtcprotocol_piqi.protobuf_int32 option;mutable no_account_balances : bool option;mutable unsolicited : bool option;mutable open_positions_profit_loss : Dtcprotocol_piqi.float64 option;mutable daily_profit_loss : Dtcprotocol_piqi.float64 option;mutable info_text : string option;mutable transaction_identifier : Dtcprotocol_piqi.uint64 option;}