module Aws::ClientStubs

def protocol_helper
  case config.api.metadata['protocol']
  when 'json'      then Stubbing::Protocols::Json
  when 'query'     then Stubbing::Protocols::Query
  when 'ec2'       then Stubbing::Protocols::EC2
  when 'rest-json' then Stubbing::Protocols::RestJson
  when 'rest-xml'  then Stubbing::Protocols::RestXml
  else raise "unsupported protocol"
  end.new
end