def mix_proxy_into_inner_classes
      klass = Processing::App.sketch_class
      klass.constants.each do |name|
        const = klass.const_get name
        next if const.class != Class || const.to_s.match(/^Java::/)

        const.class_eval 'include Processing::Proxy', __FILE__, __LINE__
      end
    end
def mix_proxy_into_inner_classes
      klass = Processing::App.sketch_class
      klass.constants.each do |name|
        const = klass.const_get name
        next if const.class != Class || const.to_s.match(/^Java::/)

        const.class_eval 'include Processing::Proxy', __FILE__, __LINE__
      end
    end
Mix the Processing::Proxy into any inner classes defined for the
 sketch, attempting to mimic the behavior of Java's inner classes.