A Event which can be completed by user.
Complete the Event, `raise` if already completed
# File lib/concurrent/edge/future.rb, line 844 def complete(raise_on_reassign = true) complete_with COMPLETED, raise_on_reassign end
# File lib/concurrent/edge/future.rb, line 848 def hide_completable EventWrapperPromise.new(self, @DefaultExecutor).event end