# File lib/fakefs/fileutils.rb, line 230
    def chown_R(user, group, list, _options = {})
      list = Array(list)
      list.each do |file|
        chown(user, group, file)
        [FileSystem.find("#{file}/**/**")].flatten.each do |f|
          chown(user, group, f.to_s)
        end
      end
      list
    end