@type t() :: %MollieAPI.Model.GetOpenSettlement200Response{
  _links: MollieAPI.Model.SettlementConvenienceLinks.t(),
  amount: MollieAPI.Model.Amount.t(),
  balanceId: String.t(),
  createdAt: any() | nil,
  id: MollieAPI.Model.OpenSettlementId.t(),
  invoiceId: String.t() | nil,
  periods:
    %{
      optional(String.t()) => %{
        optional(String.t()) =>
          MollieAPI.Model.EntitySettlementBasePeriodsValueValue.t()
      }
    }
    | nil,
  reference: any() | nil,
  resource: any(),
  settledAt: any() | nil,
  status: MollieAPI.Model.SettlementStatus.t()
}