class Aws::InstanceProfileCredentials

def http_get(connection, path)
  headers = { 'User-Agent' => "aws-sdk-ruby3/#{CORE_GEM_VERSION}" }
  headers['x-aws-ec2-metadata-token'] = @token.value if @token
  response = connection.request(Net::HTTP::Get.new(path, headers))
  case response.code.to_i
  when 200
    response.body
  when 401
    raise TokenExpiredError
  else
    raise Non200Response.new(response.code.to_i, response.body)
  end
end