-- | The Amazon Resource Name (ARN) of the Amazon Kinesis stream that is the
-- source of events.
gesmrEventSourceArn :: Lens' GetEventSourceMappingResponse (Maybe Text)
gesmrEventSourceArn =
    lens _gesmrEventSourceArn (\s a -> s { _gesmrEventSourceArn = a })
gesmrEventSourceArn :: Lens' GetEventSourceMappingResponse (Maybe Text)
gesmrEventSourceArn =
    lens _gesmrEventSourceArn (\s a -> s { _gesmrEventSourceArn = a })
gesmrEventSourceArn =
    lens _gesmrEventSourceArn (\s a -> s { _gesmrEventSourceArn = a })