text: # -*- coding: utf-8 -*-
  """
  Profile: http://hl7.org/fhir/StructureDefinition/Duration
  Release: R4
  Version: 4.0.1
  Build ID: 9346c8cc45
  Last updated: 2019-11-01T09:29:23.356+11:00
  """
  from pydantic import Field
  
  from . import quantity
  
  
  class Duration(quantity.Quantity):
      """Disclaimer: Any field name ends with ``__ext`` does't part of
      Resource StructureDefinition, instead used to enable Extensibility feature
      for FHIR Primitive Data Types.
  
      A length of time.
      """
  
      resource_type = Field("Duration", const=True)
  