contentRating constant
IRI for schema:contentRating [Expects: https://schema.org/Rating, https://schema.org/Text]
Official rating of a piece of content—for example, 'MPAA PG-13'.
Can be used on: https://schema.org/CreativeWork
Implementation
static const contentRating = IriTerm.prevalidated(
'https://schema.org/contentRating',
);