@type t() :: %MollieAPI.Model.EntityInvoice{
  _links: MollieAPI.Model.EntityInvoiceLinks.t(),
  dueAt: String.t() | nil,
  grossAmount: MollieAPI.Model.Amount.t(),
  id: String.t(),
  issuedAt: String.t(),
  lines: [MollieAPI.Model.EntityInvoiceLinesInner.t()],
  netAmount: MollieAPI.Model.Amount.t(),
  paidAt: String.t() | nil,
  reference: String.t(),
  resource: String.t(),
  status: MollieAPI.Model.InvoiceStatus.t(),
  vatAmount: MollieAPI.Model.Amount.t(),
  vatNumber: String.t() | nil
}