# File lib/bullet/detector/counter_cache.rb, line 18
        def add_possible_objects(object_or_objects)
          return unless Bullet.start?
          return unless Bullet.counter_cache_enable?
          objects = Array(object_or_objects)
          return if objects.map(&:primary_key_value).compact.empty?

          Bullet.debug('Detector::CounterCache#add_possible_objects', "objects: #{objects.map(&:bullet_key).join(', ')}")
          objects.each { |object| possible_objects.add object.bullet_key }
        end