* Unbinds event handlers for either all of a [Creature]'s events, or one type of event. * * If `event_type` is `nil`, all the [Creature]'s event handlers are cleared. * * Otherwise, only event handlers for `event_type` are cleared. * * **NOTE:** this will affect only a single [Creature]. * To bind and unbind events to all instances of a [Creature], see [Global:Re
source not stored for this graph (policy: none)
nothing calls this directly
no test coverage detected