# File lib/state_machine/integrations/active_record.rb, line 400
        def ancestors_for(klass)
          if ::ActiveRecord::VERSION::MAJOR >= 3
            super
          elsif ::ActiveRecord::VERSION::MINOR == 3 && ::ActiveRecord::VERSION::TINY >= 2
            klass.self_and_descendants_from_active_record
          else
            klass.self_and_descendents_from_active_record
          end
        end