clear

# File activesupport/lib/active_support/descendants_tracker.rb, line 67
        def clear(classes) # :nodoc:
          raise "DescendantsTracker.clear was disabled because config.cache_classes = true" if @clear_disabled

          classes.each do |klass|
            @@excluded_descendants[klass] = true
            klass.descendants.each do |descendant|
              @@excluded_descendants[descendant] = true
            end
          end
        end