schemahttpTimeRequired constant
timeRequired from schemahttp vocabulary [Expects: http://schema.org/Duration]
Approximate or typical time it usually takes to work with or through the content of this work for the typical or target audience.
Can be used on: http://schema.org/CreativeWork
Implementation
static const schemahttpTimeRequired = IriTerm.prevalidated(
'http://schema.org/timeRequired',
);