@type t() ::
  %Procore.Model.RestV10ProjectsProjectIdBudgetedProductionQuantitiesGet200ResponseInnerCostCode{
    biller_id: integer() | nil,
    biller_type: String.t() | nil,
    code: String.t() | nil,
    created_at: DateTime.t() | nil,
    deleted_at: DateTime.t() | nil,
    full_code: String.t() | nil,
    id: integer() | nil,
    name: String.t() | nil,
    parent_id: integer() | nil,
    sortable_code: String.t() | nil,
    standard_cost_code_id: integer() | nil,
    updated_at: DateTime.t() | nil
  }