@type t() :: %Procore.Model.DrawingRevision{
  "custom_field_%{custom_field_definition_id}":
    Procore.Model.WorkOrderContractCustomFieldCustomFieldDefinitionId.t() | nil,
  drawing_date: Date.t() | nil,
  drawing_id: integer() | nil,
  drawing_set_id: integer() | nil,
  floorplan: boolean() | nil,
  received_date: Date.t() | nil,
  revision_number: String.t() | nil
}