code: def property_get( prop, instance, **kwargs ):
      
      if isinstance( prop, Ref ):
          return prop.get( instance, **kwargs )
      return prop
docs: Wrapper for property reads which auto-dereferences Refs if required.
  
      prop
          A Ref (which gets dereferenced and returned) or any other value (which gets returned).
  
      instance
          The context object used to dereference the Ref.