allowStrictAvailabilityUpdates property
If allow_availability_updates is enabled, items are automatically
updated in all your Shopping target countries.
By default, availability updates will only be applied to items that are
'out of stock' on your website but 'in stock' on Shopping. Set this to
true to also update items that are 'in stock' on your website, but 'out of
stock' on Google Shopping. In order for this field to have an effect, you
must also set allow_availability_updates.
Implementation
core.bool? allowStrictAvailabilityUpdates;