MouseManipulators have a list of activation filters.
| activators | List of Activationfilters. |
| CanStartManipulation | Checks if MouseEvent matches agains all the MouseActivationFilters requirements. |
| CanStopManipulation | Checks if MouseEvent is related to this Manipulator. |
| target | VisualElement being manipulated. |
| RegisterCallbacksOnTarget | Called to register event callbacks on the target element. |
| UnregisterCallbacksFromTarget | Called to unregister event callbacks from the target element. |