code: def cache_for(**timedelta_kw):
      
      max_age_timedelta = timedelta(**timedelta_kw)
  
      def decorate_func(func):
          @wraps(func)
          def decorate_func_call(*a, **kw):
              callback = SetCacheControlHeadersFromTimedeltaCallback(max_age_timedelta)
              registry_provider = AfterThisRequestCallbackRegistryProvider()
              registry = registry_provider.provide()
              registry.add(callback)
              return func(*a, **kw)
          return decorate_func_call
      return decorate_func
docs: Set Cache-Control headers and Expires-header.
  
      Expects a timedelta instance.