@type t() :: %MBTA.Model.ServiceResourceAttributes{
  added_dates: [Date.t()] | nil,
  added_dates_notes: [String.t()] | nil,
  description: String.t() | nil,
  end_date: Date.t() | nil,
  rating_description: String.t() | nil,
  rating_end_date: Date.t() | nil,
  rating_start_date: Date.t() | nil,
  removed_dates: [Date.t()] | nil,
  removed_dates_notes: [String.t()] | nil,
  schedule_name: String.t() | nil,
  schedule_type: String.t() | nil,
  schedule_typicality: integer() | nil,
  start_date: Date.t() | nil,
  valid_days: [float()] | nil
}