class AWS::EC2::VPNGatewayCollection

def _each_item options = {}, &block
  response = filtered_request(:describe_vpn_gateways, options, &block)
  response.vpn_gateway_set.each do |g|
    gateway = VPNGateway.new_from(:describe_vpn_gateways, g, 
      g.vpn_gateway_id, :config => config)
    yield(gateway)
  end
end