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
  when 'api-gateway' then Stubbing::Protocols::ApiGateway
  else raise "unsupported protocol"
  end.new
end