'Deprecates the specified activity type. After an activity
type has been deprecated, you cannot create new tasks of
that activity type. Tasks of this type that were scheduled
before the type was deprecated will continue to run.
:type domain: string
:param domain: The name of the domain in which the activity
type is registered.
:type activity_name: string
:param activity_name: The name of this activity.
:type activity_version: string
:param activity_version: The version of this activity.
:raises: UnknownResourceFault, TypeDeprecatedFault,
SWFOperationNotPermittedError'

def deprecate_activity_type(self, domain, activity_name, activity_version):

    return self.json_request('DeprecateActivityType', {'domain': domain, 'activityType': {'name': activity_name, 'version': activity_version}})
