LivingEntityUseItemStartEvent
The event is not cancelable.
The event does not have a result.
Importing the class
Importing the class is recommended for events, simply add this line to the top of your script file.
Supertype
LivingEntityUseItemStartEvent extends LivingEntityUseItemEvent. That means all methods available in LivingEntityUseItemEvent are also available in LivingEntityUseItemStartEvent