clear

# File activesupport/lib/active_support/descendants_tracker.rb, line 18
      def clear
        if defined? ActiveSupport::Dependencies
          @@direct_descendants.each do |klass, descendants|
            if ActiveSupport::Dependencies.autoloaded?(klass)
              @@direct_descendants.delete(klass)
            else
              descendants.reject! { |v| ActiveSupport::Dependencies.autoloaded?(v) }
            end
          end
        else
          @@direct_descendants.clear
        end
      end