# File lib/active_support/core_ext/object/to_query.rb, line 8
  def to_query(key)
    require 'cgi' unless defined?(CGI) && defined?(CGI::escape)
    "#{CGI.escape(key.to_s).gsub(/%(5B|5D)/n) { [$1].pack('H*') }}=#{CGI.escape(to_param.to_s)}"
  end