# File lib/system_timer/concurrent_timer_pool.rb, line 56
56:     def trigger_next_expired_timer_at(now_in_seconds_since_epoch)
57:       timer = next_expired_timer(now_in_seconds_since_epoch)
58:       puts "Next expired timer : #{timer.inspect}" if SystemTimer.debug_enabled?
59:       return if timer.nil?
60: 
61:       cancel timer
62:       log_timeout_received(timer) if SystemTimer.debug_enabled?
63:       timer.thread.raise timer.exception_class.new("time's up!")
64:     end