module Faraday::EncodeMethods

def encode_hash(parent, value)
  value = value.map { |key, val| [escape(key), val] }.sort
  buffer = +''
  value.each do |key, val|
    new_parent = "#{parent}%5B#{key}%5D"
    buffer << "#{encode_pair(new_parent, val)}&"
  end
  buffer.chop
end