text: import datetime as dt
  
  import attr
  
  from .journey import Transport
  from .station import Station
  
  
  @attr.s(frozen=True, slots=True)
  class BoardEntry:
      tofrom: Station = attr.ib()
      transport: Transport = attr.ib()
  
      time: dt.datetime = attr.ib()
      "Arrival/departure time, without delay"
  
      delay: int = attr.ib()
      "Delay in minutes"
  
      platform: str = attr.ib()
  