Roles granted or revoked by this operation — always at least the role(s) the grant concerns. Each entry MUST be a role declared on the target actor's analyzed roles (AutoBeAnalyze.IActorRole).
Actor whose grade is changed by this operation. MUST match a database user type and an analyzed actor (AutoBeAnalyze.IActor).
Role-grant effect: the operation assigns or revokes a business role (grade) for another user of targetActor.