class_docstr: Order for trading contracts.
  
  https://interactivebrokers.github.io/tws-api/available_orders.html
class_docstr_tok: ["Order","for","trading","contracts",".","https",":","\/\/interactivebrokers.github.io\/tws-api\/available_orders.html"]
code: def __hash__(self):
      return id(self)
  
imports: from dataclasses import dataclass, field
  from typing import ClassVar, FrozenSet, List, NamedTuple
  from eventkit import Event
  from .contract import Contract, TagValue
  from .objects import Fill, SoftDollarTier, TradeLogEntry
  from .util import UNSET_DOUBLE, UNSET_INTEGER, dataclassNonDefaults
label_desc: Use image node_id 3 for calling the Order obj's underlying member method code with example usage: obj.__hash__() and returns: id