A limitation to specify that only users with at least one common direct user group with owner of content gets a certain access right.

Value ClasseZ\Publish\API\Repository\Values\User\Limitation\UserGroupLimitation
Type ClasseZ\Publish\Core\Limitation\UserGroupLimitationType
Criterion usedeZ\Publish\API\Repository\Values\Content\Query\Criterion\UserMetadata( UserMetadata::GROUP )
Role Limitationno
Possible values
ValueUI valueDescription

Only user which has at least one common direct user group with owner gets access