getBehaviorOrNull
Gets the first BlockBehavior that is an instance of T, or null if there is none.
Gets the first BlockBehavior that is an instance of type or a subclass, or null if there is none.
Gets the first BlockBehavior that is an instance of T, or null if there is none.
Gets the first BlockBehavior that is an instance of type or a subclass, or null if there is none.