@type t() :: %Procore.Model.RequisitionSubcontractorInvoice1{
  billing_date: Date.t() | nil,
  "custom_field_%{custom_field_definition_id}":
    Procore.Model.WorkOrderContractCustomFieldCustomFieldDefinitionId.t() | nil,
  final: boolean() | nil,
  invoice_number: String.t() | nil,
  items: [Procore.Model.RequisitionSubcontractorInvoice1ItemsInner.t()] | nil,
  origin_data: String.t() | nil,
  origin_id: String.t() | nil,
  payment_date: Date.t() | nil,
  period_id: integer() | nil,
  prostore_file_ids: [integer()] | nil,
  requisition_end: Date.t() | nil,
  requisition_start: Date.t() | nil,
  status: String.t() | nil,
  submitted_at: Date.t() | nil
}