Browse Carousel Card for Actions on Google.
https://developers.google.com/actions/assistant/responses#browsing_carousel
Optional. Settings for displaying the image. Applies to every
image in [items][google.cloud.dialogflow.v2beta1.Intent.Messag
e.BrowseCarouselCard.items].
Classes
BrowseCarouselCardItem
Browsing carousel tile
Required. Title of the carousel item. Maximum of two lines of
text.