register Returnable Event Hook
fun <T : ReturnableEvent<R>, R> registerReturnableEventHook(eventClass: Class<T>, eventHook: ReturnableEventHook<T, R>)
Registers a returnable event hook for a specific event class.
Parameters
T
The type of the event.
R
The type of the return value.
event Class
The class of the event to register the hook for.
event Hook
The returnable event hook to register.